Creatures inveterately wrong in their inductions have a pathetic but praise-worthy tendency to die before reproducing their kind.

Physics investigates the essential nature of the world, and biology describes a local bump. Psychology, human psychology, describes a bump on the bump.

Unscientific man is beset by a deplorable desire to have been right. The scientist is distinguished by a desire to be right.

Our talk of external things, our very notion of things, is just a conceptual apparatus that helps us to foresee and control the triggerings of our sensory receptors in the light of previous triggering of our sensory receptors.

Students of the heavens are separable into astronomers and astrologers as readily as the minor domestic ruminants into sheep and goats, but the separation of philosophers into sages and cranks seems to be more sensitive to frames of reference.

The familiar material objects may not be all that is real, but they are admirable examples.

Creatures inveterately wrong in their inductions have a pathetic but praise-worthy tendency to die before reproducing their kind.