Psalms 119:21 Halakhah

גָּ֭עַרְתָּ זֵדִ֣ים אֲרוּרִ֑ים הַ֝שֹּׁגִים מִמִּצְוֺתֶֽיךָ׃

Thou hast rebuked the proud that are cursed, that do err from Thy commandments.

Read halakhic rulings (Jewish law) on Psalms 119:21: and classical halakhic sources.