Be polite to all, but intimate with few.

Ambition is a tricky little animal to tame. It is very skillful at concealing itself from its master.

With your talents and industry, with science, and that steadfast honesty which eternally pursues right, regardless of consequences, you may promise yourself every thing-but health, without which there is no happiness. An attention to health then should take place of evey other object. The time necessary to secure this by active exercises, should be devoted to it in preference to every other pursuit.

The evidence of [the] natural right [of expatriation], like that of our right to life, liberty, the use of our faculties, the pursuit of happiness, is not left to the feeble and sophistical investigations of reason, but is impressed on the sense of every man. We do not claim these under the charters of kings or legislators, but under the King of Kings.

No society can make a perpetual constitution... The earth belongs always to the living generation.

I believe that every human mind feels pleasure in doing good to another.

I had rather be shut up in a very modest cottage, with my books, my family, and a few old friends, dining on simple bacon, and letting the world roll on as it liked, than to occupy the most splendid post which any human power can give.