论其有余不足，则知贵贱。
释义：通过分析物品的过剩与短缺，就能判断其价值的高低。这句话揭示了市场供求关系对价格的影响。
In business, as in life, integrity is the only currency that never loses value.
Success is not final, failure is not fatal: It is the courage to continue that counts.
"History is not just about dates and events; it's about the people who lived through them."