The more I read, the more I acquire, the more certain I am that I know nothing.

He must be very ignorant for he answers every question he is asked.

Wisdom must yield to superstition's rules,Who arms with bigot zeal the hand of fools.

The more often a stupidity is repeated, the more it gets the appearance of wisdom.

You despise books; you whose lives are absorbed in the vanities of ambition, the pursuit of pleasure or indolence; but remember that all the known world, excepting only savage nations, is governed by books.

Is there anyone so wise as to learn by the experience of others?

Judge a man by his questions rather than his answers.

It is difficult to free fools from the chains they revere.

Once your faith persuades you to believe what your intelligence declares absurd, beware, lest you likewise sacrifice your reason in the conduct of your life.