美国俄亥俄州克利夫兰凯斯西大学的詹姆斯·祖尔教授说：“学习就是改变大脑。”

"Learning is brain change," says Professor James Zull from Case Western University in Cleveland, Ohio, USA.

youdao

它提供来自哈佛大学、麻省理工学院和加州大学伯克利分校的免费在线课程；今年秋天，它将增加卫尔斯理、乔治敦和德克萨斯大学的课程。

It offers free online classes from Harvard, MIT and the University of California-Berkeley; this fall, it will add classes from Wellesley, Georgetown and the University of Texas.

youdao

而这些叫做克利奥尔语的语言，再次说明了它们的历史。

And languages that we know now as creoles, the word refers back to their history.

youdao

And you see this, going back to Socrates, there's a dialogue, the Gorgias, in which one of Socrates' friends, Callicles, tries to talk him out of philosophizing.

追溯到苏格拉底时代，就有这样一段对话，在《高尔吉亚篇》中，苏格拉底的一位朋友，卡里克利斯，试图说服苏格拉底放弃哲学思考。

耶鲁公开课 - 公正课程节选