The Gospel according to John records several incidents in which Thomas appears, and from them we are able to gain some impression of the sort of man he was. When Jesus insisted on going to Judea,to visit his friends at Bethany, Thomas boldly declared, “Let us also go, that we may die with him” (John 11:16). At the Last Supper, he interrupted our Lord’s discourse with the question, “Lord, we do not know where you are going; how can we know the way?” (John 14:5). And after Christ’s resurrection, Thomas would not accept the account of the women and the other apostles, until Jesus himself appeared beforehim, showing him his wounds. This drew from him the first explicit acknowledgment of Christ’s divinity, “My Lord and my God!” (John 20:28).
Thomas appears to have been a thoughtful if perhaps literal-minded man, inclined to skepticism; but he was a staunch friend when his loyalty was once given. The expression “Doubting Thomas,” which has become established in English usage, is not entirely fair to Thomas. He did not refuse belief: he wanted to believe, but did not dare, without further evidence. Because of his goodwill, Jesus gave him a sign, although Jesus had refused a sign to the Pharisees. His Lord’s rebuke was well deserved: “Blessed are those who have not seen and yet believe” (John 20:29). The sign did not create faith; it merely released the faith that was in Thomas already.
According to an early tradition mentioned by Eusebius and others, Thomas evangelized the Persians. Syrian Christians of India cherish a tradition that after his mission to Persia, he continued East and brought the Gospel to India. The site of his burial, in present day Chennai, has been a shrine and place of Christian pilgrimage since antiquity.
Thomas’ honest questioning and doubt, and Jesus’ assuring response to him, have given many modern Christians courage to persist in faith, even when they are still doubting and questioning.