Sir, where are you running? Are you doing this for world peace? Are you doing this for the homeless? Are you running for women's rights? The environment? They just couldn't believe that somebody would do all that running for no particular reason. Why are you doing this? I just felt like running. I just felt like running.

活着就是受苦，生存就是在苦难中找到某种意义。

科学的进步不仅是通过回答问题，而是通过提出更好的问题。

建筑是一门社会艺术。

释义：他强调空气密度对于物质形态的决定性作用，认为物质的形态和性质都受到空气密度的影响。

译文：世俗风气之所以狡诈的人很多，到最后只有忠厚正直的人才能立得住脚；社会风气都以奢侈浮华为上，但最后还是觉得平淡安静的日子才更耐人寻味。赏析：做事就是做人。狡诈的行为虽然可以赢得一时的信任，但最后还是忠厚之人获得永久的尊重。历经人世繁华，方知平淡最真。

When [competitors are] in the shower in the morning, they're thinking about how they're going to get ahead of one of their top competitors. Here in the shower, we're thinking about how we are going to invent something on behalf of a customer.