The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.

Always keep your knife sharp, your wits sharper, and your spirit sharpest.

预测未来的最好方法就是创造未来。

I like to be in control of my own destiny.

自然的和谐不是静态的平衡，而是相互依存的动态之舞。