Ephesians 5:26
That he might sanctify and cleanse it with the washing of water by the word,

Romans 12:2
And be not conformed to this world: but be ye transformed by the renewing of your mind, that ye may prove what is that good, and acceptable, and perfect, will of God.

Hebrews 10:22
Let us draw near with a true heart in full assurance of faith, having our hearts sprinkled from an evil conscience, and our bodies washed with pure water.

1Corinthians 2:16
For who hath known the mind of the Lord, that he may instruct him? But we have the mind of Christ.