2 Timothy 2:13

"And even if *our* faith fails, He remains true--He cannot prove false to Himself."

Romans 3:3

For what if some Jews have proved unfaithful? Shall their faithlessness render God's faithfulness worthless?

Titus 1:2

in hope of the Life of the Ages which God, who is never false to His word, promised before the commencement of the Ages.

Matthew 24:35

Earth and sky will pass away, but it is certain that my words will not pass away.

Romans 9:6

Not however that God's word has failed; for all who have sprung from Israel do not count as Israel,

1 Corinthians 1:9

God is ever true to His promises, and it was by Him that you were, one and all, called into fellowship with his Son Jesus Christ, our Lord.

1 Thessalonians 5:24

Faithful is He who calls you, and He will also perfect His work.

2 Thessalonians 3:3

But the Lord is faithful, and He will make you stedfast and will guard you from the Evil one.

Hebrews 6:18

He added an oath, in order that, through two unchangeable things, in which it is impossible for Him to prove false, we may possess mighty encouragement--we who, for safety, have hastened to lay hold of the hope set before us.

Treasury of Scripture Knowledge

Summary

If we believe not, yet he abideth faithful: he cannot deny himself.

Bible References

Yet

Matthew 24:35
Earth and sky will pass away, but it is certain that my words will not pass away.
Romans 3:3
For what if some Jews have proved unfaithful? Shall their faithlessness render God's faithfulness worthless?
Romans 9:6
Not however that God's word has failed; for all who have sprung from Israel do not count as Israel,
1 Thessalonians 5:24
Faithful is He who calls you, and He will also perfect His work.
2 Thessalonians 3:3
But the Lord is faithful, and He will make you stedfast and will guard you from the Evil one.

He cannot

Titus 1:2
in hope of the Life of the Ages which God, who is never false to His word, promised before the commencement of the Ages.
Hebrews 6:18
He added an oath, in order that, through two unchangeable things, in which it is impossible for Him to prove false, we may possess mighty encouragement--we who, for safety, have hastened to lay hold of the hope set before us.