关于理论最重要的事情是它应该是可测试的。

花开时可以折取就要及时折取，不要等到花谢了只能折取空枝。

It is remarkable that a science which began with the consideration of games of chance should have become the most important object of human knowledge.

对认可的渴望，灵魂中的激情部分，是灵魂中最具政治相关性的部分。

The key to trading success is to have a plan and stick to it.