如果成功仅仅被定义为规模扩张或为增长而增长,那这种成功是不可持续的。没有情感意义的成功是非常肤浅的。
数学不是一项观赏性运动。你必须亲自去做才能理解它。
If a man is proud of his wealth,he should not be praised until it is known how he employs it.
The only way to do great work is to love what you do.