A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.
数学家的工作永无止境；总有新的问题要问，新的谜题要解。
多样性不仅仅是一个流行词；它是商业的必要条件。
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
"The only thing that one really knows about human nature is that it changes."
心理事件确实无法以其真实本质被我们认知，而只能通过其效应来了解。