The key to investing is to have a margin of safety.
学习数学的唯一方法就是做数学。
The only constant in life is change, and we must embrace it.
The essence of mathematics lies in its ability to reveal hidden patterns and structures in the universe.
行为由驱力和习惯强度的相互作用决定。
我不怕死,我怕没有尝试过。