In theory, there is no difference between theory and practice. But, in practice, there is.

A theory should not attempt to explain all the facts, because some of the facts are wrong.

大多数人都过于焦虑，担心太多。成功意味着要非常有耐心，但该出手时就出手。

Listen to me, my friend. Hope is a dangerous thing. Hope can make people crazy.

译文：从深山里开采出来，经过千锤百炼，烈火焚烧也毫不在乎。就算粉身碎骨也不怕，只为在世上留下清白的名声。

Leadership means making tough decisions today that will shape a better tomorrow.

群众的鼻子是他们的想象力。通过这一点，任何时候都可以悄悄地引导他们。