I never want to look back and say I could have done more.

一九三七年八月

一本书是世界的一个版本。如果你不喜欢它，忽略它；或者提供你自己的版本作为回报。

The goal of the future is full unemployment, so we can play. That's why we have to destroy the present politico-economic system.

With great power comes the need for great caution.

农业是制造业和商业的基础。

创新不仅仅是创造新事物，更是要在人们的生活中产生积极影响。