Facts do not speak for themselves. They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.
事实并不能自证清白。它们支持或者反对不同的理论。而脱离理论或者信念的事实不过是孤立的好奇心而已。
Never underestimate the power of persistence.
The only way to have a friend is to be one.
创新不是对每件事都说“是”，而是对除最关键功能外的一切说“不”。
解释：做大事的不做小事，要成就大事的不成就小事。