In those days John the Baptist came preaching in the wilderness of Judea, and saying, “Repent, for the kingdom of heaven is at hand!” Matthew 3:1-2

Then Jerusalem, all Judea, and all the region around the Jordan went out to him and were baptised by him in the Jordan, confessing their sins. Matthew 3:5-6

And when He has come, He will convict the world of sin, and of righteousness, and of judgment: of sin, because they do not believe in Me… John 16:8-9