ताडयित्वा तृणेनापि संरम्भात्मतिपूर्वकम् । एकविंशतीमाजातीः पापयोनिषु जायते ॥ १६६ ॥
sanskrit
Having intentionally struck him in anger, even with a blade of grass, he will be born during twenty-one existences in the wombs (of such beings where men are born in punishment of their) sins.
english translation