[monkey mind] a term that refers to being unsettled, restless, or confused
"Monkey mind" is the part of your brain most connected to the ego, which contends that you can’t do anything right. It’s also the part of you that stifles creativity and prevents you from moving forward with your passions. The monkey mind insists on being heard, and sometimes it takes a lot of self-control to shut it down. It is also the part of your brain that becomes easily distracted, so if you want to get anything done in life, your challenge will be to shut down the monkey mind.
Yet, certainly, the wise learn many things from their enemies; for caution preserves all things. From a friend you could not learn this, but your foe immediately obliges you to learn it. For example, the states have learned from enemies, and not from friends, to build lofty walls, and to possess ships of war. And this lesson preserves children, house, and possessions.
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It’s saying no.
That’s your first hint that something’s alive. It says no. That’s how you know a baby is starting to turn into a person. They run around saying no all day, throwing their aliveness at everything to see what it’ll stick to. You can’t say no if you don’t have desires and opinions and wants of your own. You wouldn’t even want to.
No is the heart of thinking.