Jonathan Swift. Barrel tale (№ 433641)

When the human spirit spurs and unleashes its thoughts, it is no longer able to stop, but naturally rushes from one extreme to another, from high to low, from good to evil; in the initial flight of imagination, he usually is carried away to the most perfect and lofty ideas, but, entering such areas from which it is no longer possible to distinguish the boundaries separating height from depth, he, in the same impulse and keeping the same course, falls headlong down to the very bottom of the abyss ...