La imaginación es el único territorio libre que nos queda.

The only way to learn a new programming language is by writing programs in it.

自私基因理论并不是关于日常意义上的自私的理论。它是关于行为进化的理论。

Before a dream is realized, the Soul of the World tests everything that was learned along the way. It does this not because it is evil, but so that we can, in addition to realizing our dreams, master the lessons we've learned as we've moved toward that dream. That's the point at which most people give up. It's the point at which, as we say in the language of the desert, one 'dies of thirst just when the palm trees have appeared on the horizon.'