Power is not happiness.

Books gratify and excite our curiosity in innumerable ways.

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

Everything that is usually understood by the term co-operation is, in some degree, an evil.

He has no right to his life when his duty calls him to resign it. Other men are bound ... to deprive him of life or liberty, if that should appear in any case to be indispensably necessary to prevent a greater evil.

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.

The wise man is satisfied with nothing.