Don’t fret the ways of the wicked

Psa 37:1  A Psalm of David. Fret not thyself because of evildoers, neither be thou envious against the workers of iniquity.  Psa 37:2  For they shall soon be cut down like the grass, and wither as the green herb.  Psa 37:3  Trust in the LORD, and do good; so shalt thou dwell in the land,…