James 1:17
and every perfect gift, but no evil one, is from above, and cometh down from the Father of lights, with whom there is no variation, nor shadow of turning:
Titus 1:2
in hope of eternal life, which God, who cannot lie, promised before all ages;
Romans 11:29
For the gifts and calling of God are without repentance.
Hebrews 6:18
that by two immutable things, in which it is impossible for God to fail, we might have strong consolation, who have fled for refuge to lay hold on the hope set before us;
Luke 21:33
Heaven and earth shall pass away, but my words shall not pass away.