我不是为读者写作；我是为自己写作。

Zero-knowledge proofs are a way to prove that you know something without revealing what it is.

The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.

Every ton of coal we extract carries equal weight in responsibility.