有些书应该只是尝试一下，有些应该被吸收，而有极少数书应该被咀嚼和消化。
Some books are to be tasted， others to be swallowed， and some few to be chewed and digested.
We're all in this together, that's the message.
The most important thing in science is not to be afraid to ask questions.
I'm not going to let anyone tell me what to do.