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烏鴉般的交情，雖然看上去挺好，但實則不親密；繩子結在一起，雖然看上去牢固，但能輕易解開。

"The difference between correlation and causation is fundamental in empirical work."

The concept of legal validity is crucial for understanding the nature of law.

人生は、自分で選んだ道を歩くことだ。

I was not born blind, I became blind at the age of 12, but I never felt like a victim.

I'd rather not have the money and be happy.

過去是一個陌生的國度；那里的人做事方式不同。

We must design technology that adapts to human behavior, not the other way around.

詞語有重量，而故事有引力。

Mathematics is the language with which God has written the universe.