Jesus taught repentance!
Matthew 3
2 And saying, Repent ye: for the kingdom of heaven is at hand.
Matthew 3:
8 Bring forth therefore fruits meet for repentance:
Matthew 4:17
From that time Jesus began to preach, and to say, Repent: for the kingdom of heaven is at hand.
Matthew 9:13
But go ye and learn what that meaneth, I will have mercy, and not sacrifice: for I am not come to call the righteous, but sinners to repentance.
Matthew 11:20
Then began he to upbraid the cities wherein most of his mighty works were done, because they repented not:
Matthew 11:21
Woe unto thee, Chorazin! woe unto thee, Bethsaida! for if the mighty works, which were done in you, had been done in Tyre and Sidon, they would have repented long ago in sackcloth and ashes.
Matthew 12:41
The men of Nineveh shall rise in judgment with this generation, and shall condemn it: because they repented at the preaching of Jonas; and, behold, a greater than Jonas is here.