He would try to explain it this way when students asked for a top grade just for studying hard in chemistry class: What if a baseball player came to spring training and worked harder than all the others, but still could not play well.

VOA: special.2009.03.12

My name is Maria D'Itria, and I teach 5th grade class at the Harvard Kent School in Boston.

我叫玛利亚。狄翠娅,我在波士顿的哈佛肯特学校教授五年级课程。

麻省理工公开课 - 媒体、教育、市场课程节选

0% of the class will be on problem sets, 30% of the grade; 30% on the mid-term, and 40% on the final; so 30/30/40.

课堂作业占总分数的30%,期中考试占30%,期末考试占40%,即30/30/40

耶鲁公开课 - 博弈论课程节选

Well, for those of you who want to try it, you probably could pass this class and maybe even get an okay grade without doing the readings.

对于有些人如果你想试试看，你很可能能够通过这门课,甚至可能得到一个不错的评级,假使你不做课外阅读。

耶鲁公开课 - 死亡课程节选