The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
史記
沒關系,雨水會注滿我的湖!如果湖干了,我還可以說:“不要緊,這天氣正適合開車兜風……
交易的關鍵是擁有優(yōu)勢并知道這個優(yōu)勢是什么。
過去是你所記得的,想象你記得的,說服自己記得的,或假裝記得的。