Over the last couple of years, we can get reasonable measurements of human activities that were hidden from us.

在过去的几年中，人类能够通过适当的方式去测量人的大脑,在以前我们根本无法做到。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

His view is man was happy and good before the invention of society, which society corrupts man and takes away from him his happiness.

他认为在社会形成以前,人类是幸福快乐的,社会使人类堕落并剥夺了人们的幸福

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