Is man one of God's blunders? Or is God one of man's blunders?

It is thus only this personal feeling of misery that we get rid of by acts of pity.

Every extension of knowledge arises from making the conscious the unconscious.

It is certainly not the least charm of a theory that it is refutable; it is precisely thereby that it attracts the more subtle minds. It seems that the hundred-times-refuted theory of the "free will" owes its persistence to this charm alone; some one is always appearing who feels himself strong enough to refute it.

Above all, there is no exception to this rule: that the idea of political superiority always resolves itself into the idea of psychological superiority.

Good writers have two things in common: they prefer to be understood rather than admired; and they do not write for knowing and over-acute readers.

Only ideas won by walking have any value.