"We are all astronauts on a little spaceship called Earth."

Collaboration in mathematics is essential; the exchange of ideas leads to breakthroughs that no single mind could achieve alone.

The stock market is filled with individuals who know the price of everything, but the value of nothing.

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

未说出口的往往最有力量。

意志不坚强的人，智慧也不会高到哪里去；说话不算数的人，做事也不会果敢痛快。