Make men wise, and by that very operation you make them free. Civil liberty follows as a consequence of this; no usurped power can stand against the artillery of opinion.

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

The wise man is satisfied with nothing.

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

But the watchful care of the parent is endless. The youth is never free from the danger of grating interference.

Government can have no more than two legitimate purposes - the suppression of injustice against individuals within the community, and the common defense against external invasion.

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.