Several times at public executions in 1698 and 1699, he brushed the executioner away, grabbed the axe and did the dirty work himself, chopping off a head or two.

在1698年和1699年的数次公开行刑里,他轰走了刽子手,抄起斧子亲自动手,手刃了几个囚犯

耶鲁公开课 - 欧洲文明课程节选

It goes out to the outside world, interacts,gets its hand and mind dirty, does work outside and then applies its work and learns from "the dirty experiences" and brings it back to the lab and so on and so on in an upward spiral.

而是走到外面的世界，与外界互动，接触那些“肮脏“事物，在外面工作，并吸取经验,从“肮脏经验“中学习“,将得到的经验带回实验室,诸如此类，就像一个上升的螺旋。

哈佛公开课 - 幸福课课程节选