What is the Book of 2 Peter All About?
Why Should Christians "Wait for the Hope of Righteousness" (Galatians 5:5)?
How Should We Interpret "I Give You a Hope and a Future" (Jeremiah 29:11)?
i-mu-ta-bil'-i-ti, i-mu'-ta-b'-l (ametathetos):
Occurs in Hebrews 6:17,18 of the unchangeableness of the Divine counsel. It is the perfection of Yahweh that He changes not in character, will, purpose, aim (Malachi 3:6; so of Christ, Hebrews 13:8).
See FAITHFULNESS; UNCHANGEABLE.
Orr, James, M.A., D.D. General Editor. "Entry for 'IMMUTABILITY; IMMUTABLE'". "International Standard Bible Encyclopedia". 1915.