Titus 1:2

upon hope of eternal life which God, Who cannot lie, promised before eternal times,

2 Corinthians 12:9

And He hath said to me, "My grace is sufficient for you; for My power is made perfect in weakness." Most gladly, therefore, will I rather glory in my weaknesses, that the power of Christ may rest upon me.

Philippians 4:13

I am strong enough for all things in Him Who strengtheneth me.

2 Timothy 2:13

if we are faithless, He remaineth faithful, for He cannot deny Himself.

Hebrews 6:18

that, through two immutable facts, in which it is impossible that God should lie, we may have strong encouragement, who fled for refuge to lay hold of the hope set before us;

Treasury of Scripture Knowledge

Summary

And also the Strength of Israel will not lie nor repent: for he is not a man, that he should repent.

Bible References

Strength

2 Corinthians 12:9
And He hath said to me, "My grace is sufficient for you; for My power is made perfect in weakness." Most gladly, therefore, will I rather glory in my weaknesses, that the power of Christ may rest upon me.
Philippians 4:13
I am strong enough for all things in Him Who strengtheneth me.

Will not lie

2 Timothy 2:13
if we are faithless, He remaineth faithful, for He cannot deny Himself.
Titus 1:2
upon hope of eternal life which God, Who cannot lie, promised before eternal times,
Hebrews 6:18
that, through two immutable facts, in which it is impossible that God should lie, we may have strong encouragement, who fled for refuge to lay hold of the hope set before us;