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.
Woman is the most moral element in all humanity.
Everything is relative; and only that is absolute.
To understand a science it is necessary to know its history.
Induction for deduction, with a view to construction.
In mathematics we find the primitive source of rationality; and to mathematics must the biologists resort for means to carry out their researches.