人生太重要，不能太当真。
"Life is too important to be taken seriously."
Most people are afraid of change, but if you look at it like it's something that can always count on, then it can be a comfort．It doesn't have many things that you can count on．
反馈是鲁棒控制的关键。
死者要求的是正义，而不仅仅是纪念。
——与日本广州新闻社记者的谈话，1924年3月