וַיֶּאֱהַ֣ב קְ֭לָלָה וַתְּבוֹאֵ֑הוּ וְֽלֹא־חָפֵ֥ץ בִּ֝בְרָכָ֗ה וַתִּרְחַ֥ק מִמֶּֽנּוּ׃
Yea, he loved cursing, and it came unto him; And he delighted not in blessing, and it is far from him.
Read halakhic rulings (Jewish law) on Psalms 109:17 from the Mishneh Torah and classical halakhic sources, free online.