Don’t be afraid to ask a question that may sound stupid because 99% of the time everyone else is thinking of the same question and is too embarrassed to ask it.

农业中最宝贵的资源不是土地或水，而是知识。

智者和愚人都没有害，最危险的倒是智愚参半。

We must dare to think differently and challenge the status quo.

数学的美只向更有耐心的追随者展示。