If education is to develop human nature so that it may attain the object of its being, it must involve the exercise of judgment.

Parents usually educate their children merely in such a manner than however bad the world may be, they may adapt themselves to its present conditions. But they ought to give them an education so much better than this, that a better condition of things may thereby be brought about by the future.

Act in such a way that you will be worthy of being happy.

Enlightenment is man's emergence from his self-incurred immaturity.

Better the whole people perish than that injustice be done

An action, to have moral worth, must be done from duty.

Science is organized knowledge. Wisdom is organized life.