:23 Keep thy heart with all diligence; for out of it are the issues of life.
Guard your heart carefully.
:13 Be thou exalted, Lord, in thine own strength: so will we sing and praise Thy power.
1 Sam 21
:1-11 David goes to a priest and gets bread and the sword David took from Goliath.
:12-15 David pretends he is crazy so they won't know it is him.