Man, biologically considered, and whatever else he may be in the bargain, is simply the most formidable of all the beasts of prey, and, indeed, the only one that preys systematically on its own species

I believe that man will not merely endure. He will prevail. He is immortal, not because he alone among creatures has an inexhaustible voice, but because he has a soul, a spirit capable of compassion and sacrifice and endurance.

For if the proper study of mankind is man, it is evidently more sensible to occupy yourself with the coherent, substantial and significant creatures of fiction than with the irrational and shadowy figures of real life.

The dog has got more fun out of Man than Man has got out of the dog, for the clearly demonstrable reason that Man is the more laughable of the two animals

What, man, defy the devil. Consider, he's an enemy to mankind.

Man knows so much and does so little.