The tree of Zaqqum ... springeth in the heart of hell. Its crop is as it were the heads of devils. ... They verily must eat thereof, and fill (their) bellies therewith. 37:62
Trivia: What is the name of the tree that grows in the heart of hell and torments its inhabitants?
When Abraham's (unnamed) son was old enough to walk, Allah told Abraham in a dream to sacrifice him. So Abraham asked Ishmael if it'd be OK with him, and Ishmael said, "Sure thing, Dad, go ahead and kill me for God. I won't even flinch." 37:102