孤独对于一个有工作能力的智者来说确实很危险。我们需要身边有思考和说话的人。当我们长时间独处时，我们会用幻影来填补空虚。

I constantly see people rise in life who are not the smartest, sometimes not even the most diligent, but they are learning machines. They go to bed every night a little wiser than they were when they got up and boy does that help, particularly when you have a long run ahead of you.