If you fulfill your obligations everyday you don't need to worry about the future.
如果你每天都履行自己的义务,你就不必担心未来。
数学的美在于它允许我们抽象出现实世界的复杂性,专注于基本原则。
Music is the voice of the soul. If you can speak, you can sing. If you can walk, you can dance.
交易中最重要的是保护你的资本。