This is brain power

If your energy dips in the late afternoon, you can choose to do work that is easier and USES less brain power during this time.

如果在傍晚精力达到低谷，在此期间，可以选择做比较容易的用脑力较少的工作。

You see, all this article is actually talking about the power of your brain. It is him who tells you how you should be feeling about EVERYthing.

你知道，这篇文章是在讨论大脑的力量，它能告诉你应该如何感知事物。

This is a crucial distinction: as Daniel Kahneman at Princeton University puts it, intelligence is about brain power whereas rational thinking is about control.

这是一个至关重要的不同，普林斯顿大学的Daniel Kahneman指出：智力是大脑的能力，而理性思考则是一个有关控制的问题。