I’ve learned that growth means not being afraid to try new things.

我相信儿童书籍应该是美丽的物品，值得珍藏和反复阅读。

Mathematics is the most beautiful and most powerful creation of the human spirit.

We don’t just mine stone; we shape the foundations of communities.

Optimize your generosity. No one on their deathbed has ever regretted giving too much away.