人心充满私欲，所以危险；道心符合天理，所以精妙。

Patience and precision are the unsung heroes of scientific progress.

学习应使人感到快乐，否则不能称之为真正的学习。

The idea that a bell rings to signal when investors should get into or out of the stock market is simply not credible.

Each of us is the author of our own story, though sometimes we cannot control the ending.