语言学习应该是一段快乐的旅程，而不是一项乏味的任务。

把无知视为对自由的限制，理由在于它使人做出若看清后果便不会做出的选择。

关于神，我无法知道他们是否存在，也无法知道他们是什么样子的。许多事情阻碍了知识，包括主题的晦涩和人类生命的短暂。

We're not just making a better burger. We're creating a better future.

The problem of the modern individual is not that he has too little choice, but that he has too much.

追求真理是人类最高尚的事业。

Attosecond science allows us to capture the fastest motions in the microcosm, like freezing the wingbeat of a hummingbird.