The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
领导力在于做出艰难的决定并坚持它们，即使这些决定不受欢迎。
Simplicity has a way of improving performance by enabling us to better understand what we are doing.
简洁有一种提高绩效的方法，它能让我们更好地理解我们正在做的事情。