Induction for deduction, with a view to construction.

Positivism is a theory of knowledge according to which the only kind of sound knowledge available to human kind is that if science grounded in observation.

Language forms a kind of wealth, which all can make use of at once without causing any diminution of the store, and which thus admits a complete community of enjoyment; for all, freely participating in the general treasure, unconsciously aid in its preservation.

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

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

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.

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