"We are all astronauts on a little spaceship called Earth."
言多必失,要谨言慎行,不要盲目争强好胜。
每个孩子都值得在故事中看到自己。
There is no such thing as a small life. Every existence contains the universal.
Everything you’ve ever wanted is on the other side of fear.
数学中真正的挑战不是解决问题,而是提出正确的问题。