In reading, the mind is, in fact, only the playground of another's thoughts.

Mostly the loss teaches us only about the value of things.

There are three stages in the revelation of truth. The first is to be ridiculed, the second is to be resisted and the third is to be considered self-evident.

A reproach can only hurt if it hits the mark. Whoever knows that he does not deserve a reproach can treat it with contempt.

Man is the only animal who causes pain to others with no other object than wanting to do so.

There is more to be learnt from every page of David Hume than from the collected philosophical works of Hegel, Herbart, and Schleiermacher are taken together.

To free a man from error is to give, not to take away. Knowledge that a thing is false is a truth. Error always does harm; sooner or later it will bring mischief to the man who harbors it.