Very learned women are to be found, in the same manner as female warriors; but they are seldom or ever inventors.

The adjective is the enemy of the noun. Variant: The adjective is the enemy of the substantive.

Every man is a creature of the age in which he lives and few are able to raise themselves above the ideas of the time.

The multitude of books is making us ignorant.

But there must be some pleasure in condemning everything--in perceiving faults where others think they see beauties.' 'You mean there is pleasure in having no pleasure.

The history of human opinion is scarcely anything more than the history of human errors.

I hold firmly to my original views. After all I am a philosopher.