Men are not allowed to think freely about chemistry and biology: why should they be allowed to think freely about political philosophy?

Religion is an illusion of childhood, outgrown under proper education.

Everything is relative; and only that is absolute.

But now, I, August Comte, have discovered the truth. Therefore, there is no longer any need for freedom of thought or freedom of the press. I want to rule and to organize the whole country.

The law is this: that each of our leading conceptions-each branch of our knowledge-passes successively through three different theoretical conditions: the Theological, or fictitious: the Metaphysical, or abstract; and the Scientific, or positive.

Every science consists in the coordination of facts; if the different observations were entirely isolated, there would be no science.

The word right should be excluded from political language, as the word cause from the language of philosophy.