有时候旅程中最难的部分是相信你值得这次旅行。

I never write Metropolis for seven cents because I can get the same price for city. I never write policeman because I can get the same money for cop.

My greatest anxiety arises from the apprehension that I shall not be able to complete the work I have undertaken in the manner I wish.

"The past is a country we can never return to, but whose borders we are always crossing."

安全的关键是不信任任何人，包括你自己。

我们需要确保互联网保持开放，让所有人都能访问。