Men are not allowed to think freely about chemistry and biology: why should they be allowed to think freely about political philosophy?
The word ‘right’ should be excluded from political language, as the word ’cause’ from the language of philosophy.
Every science consists in the coordination of facts; if the different observations were entirely isolated, there would be no science.
Indeed, every true science has for its object the determination of certain phenomena by means of others, in accordance with the relations which exist between them.