任何系统的能量最终都来源于太阳，并以某种形式返回到宇宙中。

The biggest risk of AI is not that it will become too powerful, but that we will not use it wisely.

It must be remembered that while sympathy with joy intensifies the sum of joy in the world., sympathy with pain does not really diminish the amount of pain. It may make man better able to endure evil, but the evil remains.

"The colony is the place where the project of a new humanity is to be tested, where the dream of a world without borders is to be realized, where the dream of a world without races is to be realized, where the dream of a world without nations is to be realized."

有时最安静的时刻说得最响亮。

激励措施的微小变化可以导致行为的巨大变化。