Never worry about anything. Live in the present. Live now. Be happy.

There is a moment in the history of every nation, when . . . the perceptive powers reach their ripeness and have not yet become microscopic: so that man, at that instant . . . with his feet still planted on the immense forces of night, converses by his eyes and brain with solar and stellar creation.

In these times I don't, in a manner of speaking, know what I want; perhaps I don't want what I know and want what I don't know.

The doctors of antiquity have affirmed that love is a passion that resembles a melancholy disease. The physician Rasis prescribed, therefore, in order to recover, coitus, fasting, drunkenness, and walking.

Everyone believes that he abounds in wisdom, but is short of money.

Wealth begins . . . in giving on all sides by tools and auxiliaries the greatest possible extension to our powers; as if it added feet and hands and eyes and blood. . . .

. . . if [writing] lift you from your feet with the great voice of eloquence, then the effect is to be wide, slow, permanent, over the minds of men; . . .