'Clear' in the Bible

Therefore, prepare your minds for action, keep a clear head, and set your hope completely on the grace to be given you when Jesus, the Messiah, is revealed.

But do this gently and respectfully, keeping a clear conscience, so that those who speak evil of your good conduct in the Messiah will be ashamed of slandering you.

Baptism, which is symbolized by that water, now saves you also, not by removing dirt from the body, but by asking God for a clear conscience based on the resurrection of Jesus, the Messiah,