数学的历史是人类心灵独创性和创造力的证明。
随着劳动分工和机械应用的扩大，工人之间的竞争加剧，他们的工资也越来越低。
Quality is not a luck; it is a strategy.
If there's a book that you want to read, but it hasn't been written yet, then you must write it.
There are no shortcuts in life, only down-to-earth efforts.
Every loaf tells a story, from the flour to the final slice.