幸福不是现成的东西。它来自你自己的行动。
荣誉就像一座崎岖无滩的孤岛;一旦离开,就再也无法返回。
投资者应避免追逐热门股票或行业的诱惑。
In mathematics, you don't understand things. You just get used to them.
The only thing that can make you wise is your own experience.