Black holes are not just cosmic vacuums; they are the ultimate laboratories for testing the limits of our physical theories.

我们对野生动物的爱与对人类之爱有着天壤之别。

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

市场并不完美，但设计良好的市场接近完美。

人生之道不要繁杂，繁杂就会头绪众多，就会困扰，就会带来忧患，这样，就不能保持自心清净，更谈不上救济世道人心了。