Tiger got to hunt, bird got to fly; Man got to sit and wonder 'why, why, why?' Tiger got to sleep, bird got… — Kurt Vonnegut

Tiger got to hunt, bird got to fly;

Man got to sit and wonder 'why, why, why?'

Tiger got to sleep, bird got to land;

Man got to tell himself he understand.

Source: Wikiquote · CC BY-SA 4.0