One smart reader is worth a thousand boneheads.

I believe that religion, generally speaking, has been a curse to mankind - that its modest and greatly overestimated services on the ethical side have been more than overcome by the damage it has done to clear and honest thinking.

The fact that a human brain of high amperage, otherwise highly efficient, may have a hole in it is surely not a secret.

Any man who afflicts the human race with ideas must be prepared to see them misunderstood.

A cynic is a man who, when he smells flowers, looks around for a coffin or when he sees silver he looks for the cloud it lines. A wise happy person does the exact opposite.

The psychologists and the metaphysicians wrangle endlessly over the nature of the thinking process in man, but no matter how violently they differ otherwise they all agree that it has little to do with logic and is not much conditioned by overt facts.

The world always makes the assumption that the exposure of an error is identical with the discovery of truth - that error and truth are simply opposite. They are nothing of the sort. What the world turns to, when it has been cured of one error, is usually simply another error, and maybe one worse than the first one.