做出伟大工作的唯一方法就是热爱你所做的事情。
The only way to do great work is to love what you do.
In mathematics, the art of proposing a question must be held of higher value than solving it.
即使在困难时刻，我也总是努力保持积极。
形容人心难以捉摸，民众的行为像烟一样飘忽不定。