יְקַדְּמ֥וּנִי בְיוֹם־אֵידִ֑י וַֽיְהִי־יְהוָ֖ה לְמִשְׁעָ֣ן לִֽי׃
They confronted me in the day of my calamity; but the LORD was a stay unto me.
Read halakhic rulings (Jewish law) on Psalms 18:19 from the Mishneh Torah and classical halakhic sources, free online.