The knowledge of the past stays with us to spur us on to new and better things.
过去的知识留在我们身边，激励我们追求新的更好的事物。
The psychologist must avoid all forms of mental chemistry.
The pursuit of knowledge is a journey without end.
家庭和睦是人生最快乐的事。
医学的未来将由我们改写生命密码的能力决定。