They're focused on beyond that and all the materials and all of the things that could dramatically change the world.

而关注于很久以后,所有的材料,以及所有可以极大程度改变世界的事物。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

Margaret Mead, the anthropologist: "Never doubt that a small group of thoughtful, committed citizens can change the world.

人类学家Margaret，Mead说：,“永远不要怀疑一小群，有思想，坚定的市民可以改变世界。

哈佛公开课 - 幸福课课程节选