"To write is to confront the ghosts that the past has left behind."

对于系统，翻版的模拟是在控制图中添加一个创建循环的边，而不仅仅是一个附加节点。

The total amount of suffering per year in the natural world is beyond all decent contemplation.

I think it's very important to have a feedback loop, where you're constantly thinking about what you've done and how you could be doing it better.

我喜欢把数学看作一种诗歌。

Let us dream of tomorrow where we can truly love from the soul, and know love as the ultimate truth at the heart of all creation.

教育不仅仅是往头脑里填塞事实，而是点燃好奇心和批判性思维的火花。