The study of L-functions is a reflection of the unity of mathematical knowledge.
L-函数的研究是数学知识统一性的反映。
Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.
Sustainability is no longer a choice; it's a necessity for survival in our industry.
短缺乃是一种符号，它意味着价格被人为地保持在低于供求双方可以自由行事时的水平。
The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves.
The historian must be a poet and a philosopher.
Focus on progress, not perfection.
流放不是一个地方，而是一种你随身携带的心态。
Never put off till tomorrow what you can do the day after tomorrow.