任何企业的命脉都是创新。

The only real prison is fear, and the only real freedom is freedom from fear.

The true value of a forest cannot be measured in board feet alone.

If you find serenity and happiness，they may be jealous；Be happy anyway。People really need help but may attack you if you do help them。

数学家们至今徒劳地试图在素数序列中发现某种规律，我们有理由相信这是一个人类思维永远无法穿透的谜题。