'Conceals' in the Bible

Indeed, I have not been silenced {because of darkness}, and because of me he conceals thick darkness.

Blessings [belong] to the head of the righteous, but the mouth of the wicked conceals violence.

A fountain of life [is] a mouth of righteousness, and a mouth of wickedness conceals violence.

He who conceals hatred [has] lips of deceit, and he who utters slander--he is a fool.

A clever person conceals knowledge, but the heart of a fool announces folly.

The glory of God conceals things, but the glory of kings searches out things.

He who conceals his transgression will not prosper, but he who confesses and forsakes will obtain mercy.