וְאַתָּ֤ה ׀ יְה֘וִ֤ה אֲדֹנָ֗י עֲֽשֵׂה־אִ֭תִּי לְמַ֣עַן שְׁמֶ֑ךָ כִּי־ט֥וֹב חַ֝סְדְּךָ֗ הַצִּילֵֽנִי׃
But Thou, O GOD the Lord, deal with me for Thy name's sake; Because Thy mercy is good, deliver Thou me.
Read halakhic rulings (Jewish law) on Psalms 109:21: and classical halakhic sources.