关键是在事情顺利时不要太高调，在事情不顺时不要太低落。
"The key is not to get too high when things are going well and not too low when things are going bad."
Man is by nature a reasonable being, but animals, other than man, are by nature instruments of brute force.
房子里最重要的房间就是你所在的那个房间。