God give me strength to face a fact though it slay me.

Fact I know; and Law I know; but what is this Necessity, save an empty shadow of my own mind's throwing?

We are prone to see what lies behind our eyes, rather than what apprears before them.

Only one absolute certainty is possible to man, namely that at any given moment the feeling which he has exists.

Living things have no inertia, and tend to no equilibrium.

A man has no reason to be ashamed of having an ape for his grandfather. If there were an ancestor whom I should feel shame in recalling it would rather be a man who plunges into scientific questions with which he has no real acquaintance, only to obscure them by an aimless rhetoric.

God give me strength to face a fact though it slay me.