No man's knowledge here can go beyond his experience.

I believe in the power of storytelling. It's how we make sense of the world.

The secret of happiness is to see all the marvels of the world, and never to forget the drops of oil on the spoon.

森林的真正价值不仅在于其木材，还在于其维持生命的能力。

A proof is a device for convincing someone else that a mathematical statement is true.

成功不在于你取得了多少成就，而在于你激励他人取得了多少成就。