New Revised Standard Version
if we are faithless, he remains faithful— for he cannot deny himself.

Contemporary English Version
If we are not faithful, he will still be faithful. Christ cannot deny who he is."

New American Bible
If we are unfaithful he remains faithful, for he cannot deny himself.

Douay-Rheims Bible
If we believe not, he continueth faithful, he cannot deny himself.

If we believe not, he continueth faithful, he cannot deny himself.

yet.

Isaiah 25:1 O Lord, thou art my God, I will exalt O thee, and give glory to thy name: for thou hast done wonderful things, thy designs of old faithful, amen.

Matthew 24:35 Heaven and earth shall pass: but my words shall not pass.

Romans 3:3 For what if some of them have not believed? Shall their unbelief make the faith of God without effect? God forbid!

Romans 9:6 Not as though the word of God hath miscarried. For all are not Israelites that are of Israel.

1 Thessalonians 5:24 He is faithful who hath called you, who also will do it.

2 Thessalonians 3:3 But God is faithful, who will strengthen and keep you from evil.

he cannot.

Numbers 23:19 God is not a man, that he should lie, nor is the son of man, that he should be changed. Hath he said then, and will he not do? hath he spoken, and will he not fulfil?

Titus 1:2 Unto the hope of life everlasting, which God, who lieth not, hath promised before the times of the world:

Hebrews 6:18 That by two immutable things in which it is impossible for God to lie, we may have the strongest comfort, we who have fled for refuge to hold fast the hope set before us.