人类心智形成和操纵符号的能力使我们区别于其他动物。

真正的自由是思考、创造、梦想的自由。

"There's nothing that says you have to be happy all the time."

Childhood is fleeting, but the right book can make it last a little longer.

5G不是4G的简单升级，而是通信技术的革命性变革。