2 Timothy 2:13

if we are faithless, he remains faithful" ??for he cannot be untrue to himself.

Romans 3:3

Even supposing some of them have proved untrustworthy, is their faithlessness to cancel the faithfulness of God?

Titus 1:2

serving in hope of the life eternal which God, who never lies, promised ages ago ??3 he gave effect to his word in due time by a proclamation with which I have been entrusted by command of God our Saviour: ??4 to Titus my lawful son in a faith we hold in common; grace and peace from God the Father and Christ Jesus our Saviour.

Matthew 24:35

Heaven and earth will pass away, but my words will never pass away.

Romans 9:6

It is not, of course, as if God's word had failed! Far from it! 'Israel' does not mean everyone who belongs to Israel;

1 Corinthians 1:9

Faithful is the God who called you to this fellowship with his Son Jesus Christ our Lord.

1 Thessalonians 5:24

He who calls you is faithful, he will do this.

2 Thessalonians 3:3

However, the Lord is faithful; he will be sure to strengthen you and protect you from the Evil one.

Hebrews 6:18

so that by these two solid facts (the Promise and the Oath), where it is impossible for God to be false, we refugees might have strong encouragement to seize 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
Heaven and earth will pass away, but my words will never pass away.
Romans 3:3
Even supposing some of them have proved untrustworthy, is their faithlessness to cancel the faithfulness of God?
Romans 9:6
It is not, of course, as if God's word had failed! Far from it! 'Israel' does not mean everyone who belongs to Israel;
1 Thessalonians 5:24
He who calls you is faithful, he will do this.
2 Thessalonians 3:3
However, the Lord is faithful; he will be sure to strengthen you and protect you from the Evil one.

He cannot

Titus 1:2
serving in hope of the life eternal which God, who never lies, promised ages ago ??3 he gave effect to his word in due time by a proclamation with which I have been entrusted by command of God our Saviour: ??4 to Titus my lawful son in a faith we hold in common; grace and peace from God the Father and Christ Jesus our Saviour.
Hebrews 6:18
so that by these two solid facts (the Promise and the Oath), where it is impossible for God to be false, we refugees might have strong encouragement to seize the hope set before us,