Hatred is an affair of the heart; contempt that of the head.

Still, instead of trusting what their own minds tell them, men have as a rule a weakness for trusting others who pretend to supernatural sources of knowledge.

Compassion for animals is intimately associated with goodness of character, and it may be confidently asserted that he who is cruel to animals cannot be a good man.

The world is my representation

Hope is the confusion of the desire for a thing with its probability.

Consciousness is the mere surface of our minds, of which, as of the earth, we do not know the inside, but only the crust.

There is no opinion, however absurd, which men will not readily embrace as soon as they can be brought to the conviction that it is generally adopted.