After speaking of how the righteous should be the psalm goes to the point of the other side of the coin, what the righteous shouldn’t do at all, as written in psalm 15:3- “לֹא-רָגַל, עַל-לְשֹׁנוֹ–לֹא-עָשָׂה לְרֵעֵהוּ רָעָה; וְחֶרְפָּה, לֹא-נָשָׂא עַל-קְרֹבוֹ.” “That hath no slander upon his tongue, or doeth evil to his fellow, nor takes [...]