Philosophy stands in need of a science which shall determine the possibility, principles, and extent of human knowledge à priori.
With men, the state of nature is not a state of peace, but war.
The greatest human quest is to know what one must do in order to become a human being.
Nature even in chaos cannot proceed otherwise than regularly and according to order.
A lie is the abandonment and, as it were, the annihilation of the dignity by man.
The possession of power inevitably spoils the free use of reason.