אִם־אֵלֵ֤ךְ ׀ בְּקֶ֥רֶב צָרָ֗ה תְּחַ֫יֵּ֥נִי עַ֤ל אַ֣ף אֹ֭יְבַי תִּשְׁלַ֣ח יָדֶ֑ךָ וְת֖וֹשִׁיעֵ֣נִי יְמִינֶֽךָ׃
Though I walk in the midst of trouble, Thou quickenest me; Thou stretchest forth Thy hand against the wrath of mine enemies, And Thy right hand doth save me.
Read halakhic rulings (Jewish law) on Psalms 138:7: and classical halakhic sources.