The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

It is remarkable how much long-term advantage people like us have gotten by trying to be consistently not stupid, instead of trying to be intelligent.

爱是接受他人身上的未知。

可持续性不仅仅是一个流行词；它是对未来世代的承诺。

高尚的人是履行自己职责而不关心结果的人。