Unchanging (Immutability)

God, in the Old testament, is described as never changing; Jesus, in the New Testament, is also described as never changing.

God in the Old Testament

Verse	Reference	Comment
"I the Lord do not change. So you, the descendants of Jacob, are not destroyed.	Malachi 3.6	In this Old Testament verse, through a prophet, God Himself declares His unchanging nature.

Verse	Reference	Comment
Jesus Christ is the same yesterday and today and forever.	Hebrews 13.8	In the New Testament, the writer of the book of Hebrews (probably Paul) declares the unchanging nature of Christ.
...like a robe you will roll them up, like a garment they will be changed. But you are the same, and your years will have no end."	Hebrews 1:12