最好的读者是阅读自己作品的作家。
Never to suffer would never to have been blessed.
As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.
如果我们总是做同样的事情,就不要指望事情会改变。
With each advancement in ultrafast lasers, we rewrite the textbook on how atoms and molecules behave.