Leadership is not about being in charge. It's about taking care of those in your charge.

In our reasonings concerning matter of fact， there are all imaginable degrees of assurance， from the highest certainty to the lowest species of moral evidence.

解决复杂问题的关键通常是找到正确的抽象，这种抽象可以在不丢失问题本质特征的情况下简化问题。

如果土地出现了不协调的情况，宁可干燥，也不要等到了其湿润的时候，再去种植农作物。