唯一的好是知识,唯一的恶是无知。
There is only one good, which is knowledge, and one evil, which is ignorance.
创新不是目的,解决真实问题才是。
The essence of mathematics lies in its freedom.
The study of psychology is the study of life's wisdom.
做出伟大工作的唯一方法就是热爱你所做的事。