To understand one thing well is better than understanding many things by halves.

What you desire when young, you have in abundance when old.

If you want someone to develop a specific trait, treat them as though they already had it.

He who does not see the whole world in his friends, does not deserve that the world should hear of him.

Marriage is the beginning and pinnacle of civilization.

Men in a state of nature, uncivilized nations, children, have a great fondness for colors in their utmost brightness, and especially for yellow-red.

All ages have said and repeated that one should strive to know one's self. This is a strange demand which no one up to now has measured up to and, strictly considered, no one should. With all their study and effort, people are directed to what is outside, to the world about them, and they are kept busy coming to know this and to master it to the extent that their purposes require. . . . How can you come to know yourself? Never by thinking, always by doing. Try to do your duty, and you'll know right away what you amount to. And what is your duty? Whatever the day calls for.