James 1:17

Every good gift and every perfect gift is from above, coming down from the Father of the lights, with whom there is no variation or shadow of change.

Titus 1:2

in the hope of eternal life, which God who cannot lie, promised before the eternal times,

Romans 11:29

for the gifts and calling of God are without repentance.

Hebrews 6:18

that through two immutable things in which it was impossible that God should lie, we who have fled may have a strong consolation to lay hold of the hope set before us,

Luke 21:33

But heaven and earth shall pass away, but my word can 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
And the time of her parturition was fulfilled unto Elizabeth and she brought forth a son.
Acts 15:18
known from the beginning.
Romans 11:29
for the gifts and calling of God are without repentance.