Luke 3:18
So with many other appeals and various admonitions John preached the good news (gospel) to the people.
John 1:15
John testified [repeatedly] about Him and
John 1:29
The next day he saw Jesus coming to him and said, “Look! The Lamb of God
John 1:34
I myself have [actually] seen [that happen], and my testimony is that this is the Son of God!”
John 3:29-36
He who has the bride is the bridegroom; but the friend of the bridegroom, who stands by and listens to him, rejoices greatly because of the bridegroom’s voice. So this pleasure and joy of mine is now complete.
Acts 2:40
And Peter solemnly testified and continued to admonish and urge them with many more words, saying, “