Education is the best provision for old age.
教育是老年人的最佳粮食。
To enjoy freedom we have to control ourselves.
如果你在小事上无原则，那么大事上一样没有原则。
The human being cannot live in a condition of emptiness for very long: if he is not growing toward something, he does not merely stagnate; the pent-up potentialities turn into morbidity and despair, and eventually into destructive activities.
我作为量化分析师生涯中最重要的教训是：模型并非现实。
每一棵种植的树都是治愈地球的一步，但真正的改变需要系统性行动。