Psalms 119:173 Midrash

תְּהִֽי־יָדְךָ֥ לְעָזְרֵ֑נִי כִּ֖י פִקּוּדֶ֣יךָ בָחָֽרְתִּי׃

Let Thy hand be ready to help me; For I have chosen Thy precepts.

Read midrashic interpretation of Psalms 119:173: and classical rabbinic exegesis.