A mind is a simulation that simulates itself.

Something as superfluous as "play" is also an essential feature of our consciousness. If you ask children why they like to play, they will say, "Because it's fun." But that invites the next question: What is fun? Actually, when children play, they are often trying to reenact complex human interactions in simplified form. Human society is extremely sophisticated, much too involved for the developing brains of young children, so children run simplified simulations of adult society, playing games such as doctor, cops and robber, and school. Each game is a model that allows children to experiment with a small segment of adult behavior and then run simulations into the future. (Similarly, when adults engage in play, such as a game of poker, the brain constantly creates a model of what cards the various players possess, and then projects that model into the future, using previous data about people's personality, ability to bluff, etc. The key to games like chess, cards, and gambling is the ability to simulate the future. Animals, which live largely in the present, are not as good at games as humans are, especially if they involve planning. Infant mammals do engage in a form of play, but this is more for exercise, testing one another, practicing future battles, and establishing the coming social pecking order rather than simulating the future.)

No child should ever be too sad to play.

When you choose your own way, you lose your happiness

Any time someone gives you drugs, the purpose is to subdue. Always. Whether it is from a dealer, a friend, your mother/brother/sister/son, or your government--especially your government--the intention is to subdue, and always to feed another motive. Why? Because in getting high, your power and your intellect are blunted. Can the motive ever be in your best interests? Governments notoriously use sex, drink, and drugs to subdue their people. Notoriously. And we're falling for it.

Very well. He'd lighten up. As a matter of fact, he felt as light as the bubbly froth that flew from the lips of the waves. Whatever else his long, unprecedented life might have been, it had been fun. Fun! If others should find that appraisal shallow, frivolous, so be it. To him, it seemed now to largely have been some form of play. And he vowed that in the future he would strive to keep that sense of play more in mind, for he'd grown convinced that play--more than piety, more than charity or vigilance--was what allowed human beings to transcend evil.