John 6:47

6:47 I tell you the solemn truth, the one who believes has eternal life.

John 8:51

8:51 I tell you the solemn truth, if anyone obeys my teaching, he will never see death.”

John 8:34

8:34 Jesus answered them, “I tell you the solemn truth, everyone who practices sin is a slave of sin.

John 8:58

8:58 Jesus said to them, “I tell you the solemn truth, before Abraham came into existence, I am!”

John 10:7

10:7 So Jesus said to them again, “I tell you the solemn truth, I am the door for the sheep.

John 1:51

1:51 He continued, “I tell all of you the solemn truth – you will see heaven opened and the angels of God ascending and descending on the Son of Man.”

John 3:3

3:3 Jesus replied, “I tell you the solemn truth, unless a person is born from above, he cannot see the kingdom of God.”

John 3:5

3:5 Jesus answered, “I tell you the solemn truth, unless a person is born of water and spirit, he cannot enter the kingdom of God.

John 3:11

3:11 I tell you the solemn truth, we speak about what we know and testify about what we have seen, but you people do not accept our testimony.

John 13:20-21

13:20 I tell you the solemn truth, whoever accepts the one I send accepts me, and whoever accepts me accepts the one who sent me.”

13:21 When he had said these things, Jesus was greatly distressed in spirit, and testified, “I tell you the solemn truth, one of you will betray me.”

John 13:38

13:38 Jesus answered, “Will you lay down your life for me? I tell you the solemn truth, the rooster will not crow until you have denied me three times!

John 16:20

16:20 I tell you the solemn truth, you will weep and wail, but the world will rejoice; you will be sad, but your sadness will turn into joy.

John 16:23

16:23 At that time you will ask me nothing. I tell you the solemn truth, whatever you ask the Father in my name he will give you.