我们都是自己生活的侦探,从过去拼凑线索。
The problem with quantitative easing is that it works in practice but it doesn't work in theory.
You should never give up on your dreams.
科学不仅是对世界的描述,也是世界的一部分。
A man's errors are his portals of discovery.
体操是我做的事,而不是我是谁。