你越是处于心流状态，你就越能发展技能，取得的成就越多，对自己的感觉就越好。
The more you're in the state of flow, the more you'll develop skills, the more you'll achieve, and the more you'll feel good about yourself.
理论计算机科学中的挑战不仅仅是解决问题，而是理解问题解决的本质。