真正的敏捷是一件很有价值的事。因为时间是

Experience is the child of thought , and thought is the child of action. We cannot learn men from books. (Benjamin Disraeli, British statesman)

I have but one lamp wait which my feet are guided; and that is the lamp of experience. I know of no way of judging of the future but by the past. (Patrick Henry, Americna statesman)

立身以立学为先

●学而不思则惘

Experience is what you get when you don't get what you want. (Dan Stanfort, American brsinessman)

All is but lip-wisdom that wants experience. (Philip Sideney, British satesman)