'Within' in the Bible

My son, if you will receive my wordsAnd treasure my commandments within you,

My son, keep my wordsAnd treasure my commandments within you [so they are readily available to guide you].

The light of the righteous [within him—grows brighter and] rejoices,But the lamp of the wicked [is a temporary light and] goes out.

He who hates, disguises it with his lips,But he stores up deceit in his heart.

She comforts, encourages, and does him only good and not evilAll the days of her life.