nd now that man's history has been for the first time systematically considered as a whole, and has been found to be, like all other phenomena, subject to invariable laws, the preparatory labours of modern Science are ended.

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

Woman is the most moral element in all humanity.

Nothing is destroyed until it is replaced.

To understand a science it is necessary to know its history.

The sacred formula of positivism: love as a principle, the order as a foundation, and progress as a goal.

If we do not allow free thinking in chemistry or biology, why should we allow it in morals or politics?