世界上充满了这样的人，他们心目中令人满意的未来，实际上是对理想化过去的回归。
The world is full of people whose notion of a satisfactory future is, in fact, a return to the idealised past.
The proof of a system's value is its existence.
"The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them."
你唯一应该努力超越的人就是昨天的自己。
解读：成熟之人能包容多元观点，不偏执一端，依据具体情境灵活权衡抉择，而非非黑即白地简单判断，体现思维灵活性。
快乐不是现成的东西。它来自你自己的行动。