人类有一件真正有力的武器，那就是笑。
The human race has one really effective weapon, and that is laughter.
释义：常遇小不顺心是好事，若事事顺心，大麻烦可能随后而来。明白此理可减少抱
I want to stand as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center.
最好的领导者是那些倾听多于说话的人。
The market is a reflection of the collective emotions of all participants.