跟一个人相处了两个星期，不可能就此了解他究竟是怎样一个人。不过，要是我们不去尝试尝试，别人可少不了要尝试的。

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.

运营效率和战略都是创造卓越绩效的关键。