Those who do not study are only cattle dressed up in men's clothes.
Humankind differs from the animals only by a little and most people throw that away.
There is only one thing in life which never changes, and it is change.
Reviewing the day's lessons. Isn't it joyful? Friends come from far. Isn't it delightful? One has never been angry at other's misunderstanding. Isn't he a respectable man?
The Essence of Knowledge is, having it, to use it.
The man of perfect virtue, wishing to be established himself, seeks also to establish others; wishing to be enlarged himself, he seeks also to enlarge others.