There is no better teacher than history in determining the future……There are answers worth billions of dollars in a history book.

The writer’s task is to illuminate the darkness.

信念有创造的力量，也有毁灭的力量。

制造业的未来在于循环经济——废物只是放错位置的资源。

Sometimes we get sad about things and we don’t like to tell other people that we are sad about them. We like to keep it a secret. Or sometimes, we are sad but we really don’t know why we are sad, so we say we aren’t sad but we really are.