Hebrews 13:8

"Jesus Christ is the same yesterday and today and forever."

Malachi 3:6

" For I the Lord do not change; therefore you, O children of Jacob, are not consumed."

James 1:17

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

Numbers 23:19

"God is not man, that he should lie, or a son of man, that he should change his mind. Has he said, and will he not do it? Or has he spoken, and will he not fulfill it?"