这种相思之情无法消除,刚从眉间消失,却又涌上心头
"The most important thing in empirical work is to be clear about the question you are trying to answer."
The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.
"We are all apprentices in a craft where no one ever becomes a master."