我们所看到的与我们所知道的之间的关系从未确定。
The relation between what we see and what we know is never settled.
The secret of change is to focus all of your energy not on fighting the old, but on building the new.
生存还是毁灭，这是个问题。
我认为质数就像生活。它们非常合乎逻辑，但你永远无法弄清楚其中的规则，即使你花所有时间去思考它们。
The only way to understand painting is to look at it.
Small farms can have a big impact when given the right tools and knowledge.
