I fear animals regard man as a creature of their own kind which has in a highly dangerous fashion lost its healthy animal reason / as the mad animal, as the laughing animal, as the weeping animal, as the unhappy animal.

''Reason'' is the cause of our falsification of the evidence of the senses. In so far as the senses show becoming, passing away, change, they do not lie.

Man is the cruelest animal.

He who makes no secret of himself, enrages: so much reason have you for fearing nakedness.

The abdomen is the reason why man does not easily take himself for a god

The broad effects which can be obtained by punishment in man and beast, are the increase of fear, the sharpening of the sense of cunning, the mastery of the desires; so it is that punishment tames man, but does not make him "better."