John 3:22 (NIV)
John Testifies Again About Jesus
22 After this, Jesus and his disciples went out into the Judean countryside, where he spent some time with them, and baptized.
John 4:42 (NIV)
42 They said to the woman, “We no longer believe just because of what you said; now we have heard for ourselves, and we know that this man really is the Savior of the world.”