John 3:11
"Verily, verily, I say unto thee, We speak that we do know, and testify that we have seen; and ye receive not our witness."John 3:11 (KJV)
Context from John 3
9
Nicodemus answered and said unto him, How can these things be?
10
Jesus answered and said unto him, Art thou a master of Israel, and knowest not these things?
11
Verily, verily, I say unto thee, We speak that we do know, and testify that we have seen; and ye receive not our witness.
12
If I have told you earthly things, and ye believe not, how shall ye believe, if I tell you of heavenly things?
13
And no man hath ascended up to heaven, but he that came down from heaven, even the Son of man which is in heaven.