What outside sources can and cannot prove

Program / Course 16: Historical Defense / Lesson 2.4

What you will learn

• List the facts about Jesus and early Christianity that the non-Christian sources support.
• Explain why the absence of more outside testimony is not surprising.
• Evaluate the claim that Jesus never existed.
• State the limits of outside sources for questions about miracles and the resurrection.

The big idea

Taken together, Josephus, Tacitus, Pliny, Suetonius and later Jewish sources establish a modest but real set of facts: Jesus was known as a teacher and wonder worker, he was executed under Pontius Pilate, his followers formed a movement that spread to Rome and was punished, and they worshiped him. These sources do not confirm the Gospels in detail, and they say nothing independent about the resurrection. The central evidence about Jesus is, and always was, in the Christian writings. Outside sources serve as a check on the largest claims, not as the foundation of the case.

Key terms

Corroboration

Support for a claim from another source that does not depend on the first.

Argument from silence

The inference that something did not happen because a source does not mention it. It is valid only when mention would be expected.

Mythicism

The theory that Jesus never existed and was invented, for example from a heavenly figure. It is rejected by nearly all historians of antiquity.

Existence claim

A claim that someone or something existed. Existence is much easier to establish than any detail of a life.

Elite literature

The writings of the educated upper class that make up most surviving Roman literature, which seldom noticed provincial movements.

Minimal facts

A set of points about Jesus and his followers that most scholars accept. The term is used in some defenses of the resurrection.

Background

Students are often told either that outside sources prove the Gospel story, or that their scarcity proves it false. Both claims overreach. To weigh the sources properly one must ask what kind of evidence to expect for a Galilean teacher who was executed in a distant province under a minor governor.

Ancient literature that survives is only a small portion of what was written, and most of it is about emperors, wars and the capital. A movement of provincial Jews would rarely appear in it in the first generation. The right question is whether the sources that do mention it are consistent with the basic outline, and whether any source contradicts it.

Step-by-step explanation

Step 1: What the outside sources agree on

Putting the evidence side by side gives a short list. Jesus was a historical person who lived in Judea and Galilee (Josephus, Tacitus, the Talmud). He taught and was thought to work wonders (Josephus, rabbinic tradition). He was executed under Pontius Pilate (Tacitus, and probably Josephus). His followers continued after his death and called themselves by the name Christ (Josephus, Tacitus). They had reached Rome by AD 64 (Tacitus), and had spread to Asia Minor by about 112 (Pliny). They worshiped Christ as a god (Pliny).

These conclusions are consistent with the New Testament account. That consistency is real support for the broad outline, but the outline is small.

Step 2: What the outside sources do not show

They do not give independent accounts of Jesus’ teaching. They do not describe the trial or the empty tomb. They do not report the resurrection except as a belief, if at all. Their information may in part come from Christians themselves. They also come from decades after the events. For questions about what Jesus said and did, and what the disciples saw, the Christian sources remain the main evidence.

Skeptics are right that the outside evidence is thin, and defenders are right that it is more than nothing. The honest summary is that it is thin, early enough to matter, and consistent.

Step 3: Why more testimony should not be expected

Jesus lived and died in a remote province. Roman writers of the first century rarely discussed provincial teachers. The historians who covered the period are mostly lost, and those that survive concentrate on the capital. By comparison, many other first century figures, including popular prophets and rebels in Judea, are known only through a few lines in Josephus, or not at all.

A related claim is that the Gospel miracles, such as the darkness at the crucifixion, should have been noticed by writers elsewhere. The evidence offered for this, for example the fragmentary historian Thallus, is too weak to bear weight. Silence on such points is not strong evidence either way.

Step 4: The claim that Jesus never existed

A small number of writers, mostly outside the academic study of antiquity, have argued that Jesus is a myth. Their arguments usually point to the scarcity of outside sources and to similarities with other religions. Specialists in the field reject this for several reasons. Paul, writing within about twenty-five years of the crucifixion, speaks of meeting Jesus’ brother James and of Jesus as born of a woman and under the law (Galatians 4:4). The Gospels agree on a Galilean origin that does not suit an invented savior. A movement that treated an executed man as Messiah was embarrassed enough that its origins are hard to explain without a real person.

The question remains open to argument in principle, and a good student should be able to state the case and the reply. The great majority of scholars, Christian and not, consider the existence of Jesus as certain as most ancient history.

Step 5: Why the limits matter for the resurrection

A historical argument for the resurrection cannot depend on Josephus or Tacitus. They show that the movement started and spread. They do not say what started it. The next modules turn to the sources that can: the Gospels, Paul and the early creeds. The outside sources set the stage. They confirm that something happened that led to a persecuted and growing movement of people who worshiped a crucified man.

1. What would I expect to find if the New Testament story were true, and what if it were false?
2. Are the outside sources independent of Christian claims?
3. Does silence in a source show absence, or only that the author had no reason to speak?
4. What facts survive even if I reject the most debated passages?
5. Am I asking the outside sources to do more than they can?
6. Which part of the case needs the Christian sources and why?

Examples

Different perspectives

Mainstream historians

Nearly all scholars accept that Jesus existed and was crucified under Pilate, treating this as about as secure as any fact of ancient history. They also agree that the outside sources add little detail.

Evangelical and other Christian apologists

Many present the outside sources as a modest confirmation of the basic Gospel outline. The more careful among them stress that the main evidence lies in the Christian writings and that over-reading the outside sources harms the case.

Catholic and Orthodox scholars

These traditions regard the outside sources as of secondary interest. Their witness to Christ is grounded in the apostolic tradition, which they see as the primary source of knowledge about him, not in the occasional remarks of outsiders.

Mythicists

Writers such as Richard Carrier and Robert Price argue that Jesus began as a heavenly figure and was later historicized. Their view is a very small minority position among scholars, and critics point out that it requires strained readings of Paul.

Skeptical mainstream scholars

Scholars such as Bart Ehrman, who is not a believer, argue that Jesus certainly lived and criticize mythicism strongly, while holding that the outside sources are limited and that the Gospels must be read critically.

Why it matters

The outside sources are often argued over with more heat than they deserve. Settling their weight sets the foundation for fair discussion: they establish that Jesus was a real person whose followers formed a lasting movement, and then the question of how reliable the Christian sources are can be taken up on its own terms.

Common misunderstandings

Knowledge check

Think it through

1. Have you ever heard that there is no evidence for Jesus outside the Bible, or that there is massive evidence? How does this lesson change that?
2. What would be a fair standard for evidence about a provincial teacher in the ancient world?
3. How might you explain the difference between existence and details to someone who doubts?
4. Where might you be asking more of the sources than they can give?

Independent assignment

A fair summary of the outside evidence

In your own notebook, write about 400 words as if for a skeptical friend. State what the non-Christian sources establish, what they do not, and why the absence of more testimony is not surprising. Include one objection your friend might raise and your reply. Do not send this to anyone.

Further study

• F. F. Bruce, The New Testament Documents: Are They Reliable? Read the chapter on outside evidence and note which claims go beyond what the sources say.
• N. T. Wright, The Resurrection of the Son of God Read the passages on the rise of the early Christian movement as a fact needing explanation.
• Justin Martyr, The First Apology See how an early Christian appealed to publicly known facts.
• Stanford Encyclopedia of Philosophy, Fallacies Review the argument from silence.
• Galatians 1:19 Paul’s mention of James, the Lord’s brother.
• Galatians 4:4 Paul says Jesus was born of a woman, under the law.