James 1:17

Every gift which is good, and every perfect boon, is from above, and comes down from the Father, who is the source of all Light. In Him there is no variation nor the slightest suggestion of change.

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.

Romans 11:29

For God does not repent of His free gifts nor of His call;

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.

Luke 21:33

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

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's full time was come, she gave birth to a son;
Acts 15:18
Says the Lord, who has been making these things known from ages long past.'
Romans 11:29
For God does not repent of His free gifts nor of His call;