אַֽל־תַּ֭שְׁלִיכֵנִי לְעֵ֣ת זִקְנָ֑ה כִּכְל֥וֹת כֹּ֝חִ֗י אַֽל־תַּעַזְבֵֽנִי׃
Cast me not off in the time of old age; When my strength faileth, forsake me not.
Read halakhic rulings (Jewish law) on Psalms 71:9 from the Mishneh Torah and classical halakhic sources, free online.