The LORD has chosen Zion, He has desired it for His dwelling. Psalm 132:13

Why Christians commit mistakes?

1 Corinthians 2:14 But the natural man receiveth not the things of the Spirit of God: for they are foolishness unto him: neither can he know them, because they are spiritually discerned.

15 But he that is spiritual judgeth all things, yet he himself is judged of no man.

1 Corinthians 3:1 And I, brethren, could not speak unto you as unto spiritual, but as unto carnal, even as unto babes in Christ.

Three Kinds of People in the world
1. Natural Man
2. Carnal Man
3. Spiritual Man