数学的美在于它能够以最优雅的方式描述宇宙。
生活太重要了,不能太严肃对待。
光的质量就是空间的质量。
——《建国方略·孙文学说》(1917—1919年)
战略的本质是你必须对你想要完成的事情设定限制。
Life is measured by thought and action,not by time.
I am persuaded that the principle of uniformity in manufacturing is the foundation of success.