"What we are seeing in Iceland is that as the magma particles get towards the surface, they interact with the very cold water and they chill to form glassy fragments and these glassy fragments are small, they have sharp edges and when those get up in the air that is what is causing the risk to aviation."

VOA: standard.2010.04.15

Alfred North Whitehead Alfred North Whitehead,the philosopher: "The careful shielding of a university from the activities of the world around us is the best way to chill interest and to defeat progress.

哲学家：,“大学小心翼翼地将我们,与外界活动隔开,这样最容易打击学习兴趣，阻碍学习进步。

哈佛公开课 - 幸福课课程节选