[Heraclitus had] a regal air of certainty.

The preponderance of pain over pleasure is the cause of our fictitious morality and religion.

Against war it may be said that it makes the victor stupid and the vanquished revengeful.

We praise or blame as one or the other affords more opportunity for exhibiting our power of judgement.

Our treasure lies in the beehive of our knowledge. We are perpetually on the way thither, being by nature winged insects and honey gatherers of the mind.

We believe that we know something about the things themselves when we speak of trees, colors, snow, and flowers; and yet we possess nothing but metaphors for things - metaphors which correspond in no way to the original entities.

A man should not play the coward to his deeds. He should not repudiate them once he has performed them. Pangs of conscience are indecent.