Now again we're not-- the purpose of this class isn't to have you improve your diet, if that happens that's fine, but that's not the purpose of the class.

现在再次重申,本门课的目的不是改进你的饮食,如果你的饮食因此改善,那很好,但是这不是本门课的目的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选