"I was raised on a small farm in southern Indiana and Dad tried to teach me and my brothers that you should never try to be better than someone else, always learn from others and never cease trying to be the best you could be, that is under your control."

VOA: standard.2010.06.05

And you should just do it to learn the material.

如果你没法做需要帮助的话。

麻省理工公开课 - 计算机科学及编程导论课程节选

You should really take ECON 251 to learn this more.

推荐你们选金融理论这门课深入学习下。

耶鲁公开课 - 金融市场课程节选