וַֽיַּעְזְרֵ֥ם יְהוָ֗ה וַֽיְפַ֫לְּטֵ֥ם יְפַלְּטֵ֣ם מֵ֭רְשָׁעִים וְיוֹשִׁיעֵ֑ם כִּי־חָ֥סוּ בֽוֹ׃
And the LORD helpeth them, and delivereth them; He delivereth them from the wicked, and saveth them, because they have taken refuge in Him.
Read halakhic rulings (Jewish law) on Psalms 37:40: and classical halakhic sources.