““For I am the LORD, I do not change; Therefore you are not consumed, O sons of Jacob” (Mal. 3:6)
“Every good gift and every perfect gift is from above, and comes down from the Father of lights, with whom there is no variation or shadow of turning” (James. 1:17)
“God is not a human being, that he should lie, or a mortal, that he should change his mind. Has he promised, and will he not do it? Has he spoken, and will he not fulfill it?” (Num. 23:19)
“Of old You laid the foundation of the earth, And the heavens are the work of Your hands. They will perish, but You will endure; Yes, they will all grow old like a garment; Like a cloak You will change them, And they will be changed. But You are the same, And Your years will have no end” (Ps. 102:25-27; Heb. 1:10-12)
“Jesus Christ is the same yesterday, today, and forever” (Heb. 13:8)
“The Lord has not empowered even his holy ones to recount all his marvelous works, which the Lord the Almighty has established so that the universe may stand firm in his glory. <...> He has set in order the splendors of his wisdom; he is from all eternity one and the same. Nothing can be added or taken away, and he needs no one to be his counselor. How desirable are all his works, and how sparkling they are to see!” (pSir. 42:17,21-22)
“in the hope of eternal life that God, who never lies, promised before the ages began” (Titus. 1:2)
“I will not violate my covenant, or alter the word that went forth from my lips” (Ps. 89:34)