The attosecond timescale is to electron motion what the high-speed camera was to studying animal locomotion.
电影是一面反映社会及其复杂性的镜子。
The test of a psychological idea is its life-enhancing power.
我一直都很幸运。机遇很少凭空出现。所以,当它们出现时,你一定要抓住。
应对不自由世界的唯一方法就是变得如此绝对自由,以至于你的存在本身就是一种反叛。
The beauty of mathematics is that it is both an art and a science.