文学是社会的镜子,以毫不退缩的诚实反映其美德和恶习。
你不能两次踏入同一条河流。
科学研究要解决实际问题,不能只停留在论文上。
Your attitude determines your altitude.
When you think it's the most difficult, it's actually the closest you are to success.
经济学的未来在于弥合理论与实践之间的差距。