Modesty is the only sure bait when you angle for praise.
Firmness of purpose is one of the most necessary sinews of character, and one of the best instruments of success. Without it genius wastes its efforts in a maze of inconsistencies.
Sex: the pleasure is momentary, the position ridiculous, and the expense damnable.
Know the true value of time; snatch, seize, and enjoy every moment of it. No idleness, no delay, no procrastination; never put off till tomorrow what you can do today.
I recommend you to take care of the minutes, for the hours will take care of themselves.
I find, by experience, that the mind and the body are more than married, for they are most intimately united; and when one suffers, the other sympathizes.
Prepare yourself for the world, as the athletes used to do for their exercise; oil your mind and your manners, to give them the necessary suppleness and flexibility; strength alone will not do.
Learning is acquired by reading books, but the much more necessary learning, the knowledge of the world, is only to be acquired by reading men, and studying all the various facets of them.
Little, vicious minds abound with anger and revenge, and are incapable of feeling the pleasure of forgiving their enemies.
The knowledge of the world is only to be acquired in the world, and not in a closet.