Psalms 146:3 Halakhah

אַל־תִּבְטְח֥וּ בִנְדִיבִ֑ים בְּבֶן־אָדָ֓ם ׀ שֶׁ֤אֵֽין ל֥וֹ תְשׁוּעָֽה׃

Put not your trust in princes, Nor in the son of man, in whom there is no help.

Read halakhic rulings (Jewish law) on Psalms 146:3: and classical halakhic sources.