He who lights his [candle] at mine receives light without darkening me.

Whenever any form of government becomes destructive of these ends [life, liberty, and the pursuit of happiness] it is the right of the people to alter or abolish it, and to institute new government.

And, in general, that branch which is to act ultimately and without appeal on any law is the rightful expositor of the validity of the law, uncontrolled by the opinions of the other coordinate authorities.

Health is worth more than learning.

Our fellow-citizens think they have a right to full information, in a case of such great concernment to them. It is their sweat which is to earn all the expenses of the war, and their blood which is to flow in expiation of the causes of it.

To constrain the brute force of the people, the European governments deem it necessary to keep them down by hard labor, poverty and ignorance, and to take from them, as from bees, so much of their earnings, as that unremitting labor shall be necessary to obtain a sufficient surplus to sustain a scanty and miserable life.

The worst day in a man's life is when he sits down and begins thinking about how he can get something for nothing.