The most important thing in trading is to preserve your capital.

The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?

摄影不仅仅是捕捉图像；它是通过光影捕捉情感和讲述故事。

学无止境的人比无所不知的人做得更好。