HAMLET Not where he eats, but where he is eaten: a certain convocation of politic worms are e'en at him. Your worm is your only emperor for diet: we fat all creatures else to fat us, and we fat ourselves for maggots: your fat king and your lean beggar is but variable service, two dishes, but to one table: that's the end.

KING CLAUDIUS Alas, alas!

HAMLET A man may fish with the worm that hath eat of a king, and eat of the fish that hath fed of that worm.

KING CLAUDIUS What dost you mean by this?

HAMLET Nothing but to show you how a king may go a progress through the guts of a beggar.

Yes, Thich Nhat Hanh uses the example of the hydrological cycle instead of poop: "That watermelon is made of clouds."