I think it is the best of humanity that goes out to walk. In happy hours, I think all affairs may be wisely postponed for walking.

No one can read the history of astronomy without perceiving that Copernicus, Newton, Laplace, are not new men, or a new kind of men, but that Thales, Anaximenes, Hipparchus, Empodocles, Aristorchus, Pythagorus, Oenipodes, had anticipated them.

What a searching preacher of self-command is the varying phenomenon of health.

The world is always childish, and with each new gewgaw of a revolution or new constitution that it finds, thinks it shall never cry any more.

What is a weed? A plant whose virtues have not yet been discovered.[What is a sorrow? A feeling whose benefits have not yet been discovered]

Bonaparte knew but one merit, and rewarded in one and the same way the good soldier, the good astronomer, the good poet, the good player.

The crowning fortune of a man is to be born to some pursuit which finds him employment and happiness, whether it be to make baskets, or broadswords, or canals, or statues, or songs.