James 1:17

Every good thing that is given and every perfect gift [received] is from above, coming down from the Father of [heavenly] lights, with whom there can be no change or shifting shadow [i.e., God always remains the same].

Titus 1:2

[and provides] hope for never ending life. God, who cannot lie, promised this [life] before the beginning of time,

Romans 11:29

For God does not change His mind about the gifts He gives and the people He calls [to Him].

Hebrews 6:18

He did this so that by two unchangeable things [i.e., His promise and His oath], (and it is impossible for God to lie), we, who have fled [to God] for refuge, could be greatly encouraged to take hold of the hope set before us [i.e., the hope of never ending life].

Luke 21:33

Although the sky and the earth will pass away [See II Pet. 3:10], my words will not pass away [i.e., they will certainly come true].

Treasury of Scripture Knowledge

Summary

God is not a man, that he should lie; neither the son of man, that he should repent: hath he said, and shall he not do it? or hath he spoken, and shall he not make it good?

General references

Bible References

General references

Luke 1:57
Now when Elizabeth was due to deliver, she gave birth to a son.
Acts 15:18
This is what the Lord said when He predicted these things long ago.'
Romans 11:29
For God does not change His mind about the gifts He gives and the people He calls [to Him].