and says to Rebbe, Melech HaMoshiach, "If you are the Ben HaElohim, then throw yourself down, for katuv  it is written , MALACHAV Y'TZAV-VEH LACH  "His angels he will command concerning you") "and upon their hands they will lift you up lest you strike your foot against a stone," TEHILLIM 91:11-12.