As a lion rouseth up himself to fight, or to go out to the prey; so shall Israel stir up themselves to warlike attempts against all their enemies, as occasion shall offer itself. He shall not lie down, i.e. not rest or cease from fighting and pursuing.
Related Commentaries of Numbers 23:24
Numbers 23:24
24 Behold, the people shall rise up as a great lion, and lift up himself as a young lion: he shall not lie down until he eat of the prey, and drink the blood of the slain.