A picture held us captive. And we could not get outside it, for it lay in our language and language seemed to repeat it to us inexorably.

Functions delay binding; data structures induce binding. Moral: Structure data late in the programming process.

Sometimes, the hardest thing and the right thing are the same.

现代化学家不满足于仅仅成为化合物的制造者；他必须是自然的解释者。

孩子们能看到成年人忽略的细节——这就是绘本如此重要的原因。