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.'

"I write for kids because I was a kid who needed books."

The truth doesn't always set you free. Sometimes it just makes you see the chains.

The language of mathematics is universal, transcending cultural and linguistic barriers.

当你为自己的生活承担责任的那一刻，就是你开始改变它的那一刻。

过去是唯一闻起来香甜的已逝之物。