It is vain to talk of the interest of the community， without understanding what is the interest of the individual.

我所做的是大事业，而我当初的决定与计划亦是如此。

银行业最大的风险不是向不良借款人放贷，而是从善变的贷款人那里借款。

我不是那种会让对运动的热爱减少的人。

I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.