I don't see limits. I see possibilities.
Life is not worth living if it is not subject to reexamination.
形式语言和自动机的研究对于理解计算机科学的理论基础至关重要。
理解一个句子意味着理解一种语言。
数学的美只向更有耐心的追随者展示。
Writing is a way of speaking without being interrupted.