用秤称一称，才能知道轻重；用尺量一量，才能知道长短。

I always tell my traders, 'Don't be a hero. Don't have an ego. Always question your own ability.'

The key to solving complex problems is to ask the right causal questions.

没有渺小的人生。每个存在都包含着普遍性。

革命是被压迫和被剥削者的节日。