It is better to be a human being dissatisfied than a pig satisfied; better to be Socrates dissatisfied than a fool satisfied.
The joy of mathematics comes from the moments of clarity when complex things become simple.
The leather industry must evolve to meet both environmental standards and consumer expectations without compromising quality.
循环经济不是一种选择——对于希望在未来十年蓬勃发展的行业来说,这是唯一的前进方向。