Reference for Psalms 119:173

תְּהִֽי־יָדְךָ֥ לְעָזְרֵ֑נִי כִּ֖י פִקּוּדֶ֣יךָ בָחָֽרְתִּי׃

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

BDB