The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
跨行业合作是解决可持续水产养殖挑战的关键。
Climate change solutions begin with how we manage our forests.
Mathematics is the key and door to the sciences.
译文:贫穷的人不用学俭朴,自会俭朴,卑贱的人不用学谦恭,自会谦恭。
The most successful societies are those that allow for the greatest degree of individual freedom and creativity.