Memory is the only paradise from which we cannot be driven.
A great business at a fair price is superior to a fair business at a great price.
Man is always something more than what he knows about himself. He is not what he is simply once and for all, but is a process.
生活模仿艺术远多于艺术模仿生活。
The essence of mathematics lies in its freedom.
Leadership means making tough decisions today that will ease tomorrow's challenges.