Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

"I like looking nice, but I always put comfort over fashion. I don’t find thin girls attractive; be happy and healthy. I’ve never had a problem with the way I look. I’d rather have lunch with my friends than go to a gym."

简单是可靠的前提条件。