Christians confess God to be unchangeable. He does not change or mutate. He is immutable. For many today, however, this doctrine seems archaic and odd.
Archaic because the doctrine is called “the immutability of God” and odd because God seems to change. After all, he creates the world, is sometimes angry, and at other times generous. Most of all, God entered into the world of change when he became man, when he became incarnate. The apostle John asserts, “the Word became flesh” (John 1:14).
But despite our perception of God changing, God does not change. Instead, we change and God consistently (read: changelessly) expresses himself towards us. (I wrote on this here). Even if all this is persuasive, you might still think, “So What? Why Does it Matter?” Here’s my answer: a changing god is not perfectly compassionate, comforting, or (conceivably) faithful. In other words, a changing god is not God. [Read more…] about Why God’s Unchangeability Is So Important