KJV
Verily, verily, I say unto thee, We speak that we do know, and testify that we have seen; and ye receive not our witness.
WEB
Most certainly I tell you, we speak that which we know and testify of that which we have seen, and you don’t receive our witness.
NASB
Truly, truly, I say to you, we speak of what we know and testify of what we have seen, and you people do not accept our testimony.
NLT
I assure you, we tell you what we know and have seen, and yet you won’t believe our testimony.