I had therefore to remove knowledge, in order to make room for belief.
Dare to know! Have the courage to use your own intelligence!
If justice perishes, human life on Earth has lost its meaning.
Nature even in chaos cannot proceed otherwise than regularly and according to order.
The greatest problem for the human species, the solution of which nature compels him to seek, is that of attaining a civil society which can administer justice universally.
Religion is too important a matter to its devotees to be a subject of ridicule. If they indulge in absurdities, they are to be pitied rather than ridiculed.