The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.

The past is a shadow that follows us, always present, always haunting.

A picture book is a dance between words and images—they should move together.

这句话其实是莎士比亚借哈姆雷特之口说的，但是霍金非常喜欢，曾在自己著作中多次引用，所以很多人误以为本句话是霍金说的。

跨行业、跨国界的合作是解决全球粮食安全挑战的关键。

Decision-making is not just a logical process but also involves emotions and biases.

思维在于设想、实现结构特征和结构要求。

音乐是可见与不可见之间的桥梁。