One of the prerogatives by which man is eminently distinguished from all other living beings inhabiting this globe of earth, consists in the gift of reason.

The first duty of man is to take none of the principles of conduct upon trust; to do nothing without a clear and individual conviction that it is right to be done.

He that revels in a well-chosen library, has innumerable dishes, and all of admirable flavour.

Justice is the sum of all moral duty.

As the true object of education is not to render the pupil the mere copy of his preceptor, it is rather to be rejoiced in, than lamented, that various reading should lead him into new trains of thinking.

If there be such a thing as truth, it must infallibly be struck out by the collision of mind with mind.

Revolutions are the produce of passion, not of sober and tranquil reason.