图画书就像是可以捧在手心里的小艺术品。

物资用完了才知道不足，是因为不懂得计量；事情做完了才知道有余，是因为不懂得调节。

The best way of learning about anything is by doing.

If you’re changing the world, you’re working on important things. You’re excited to get up in the morning.