Ideas are the critical input in the production of more valuable human and nonhuman resources.
在更有价值的人力和非人力资源的生产中,思想是关键投入。
The best way to learn mathematics is to do mathematics.
生命的终结是幸福,而幸福是宁静。
吹吧!风啊!吹破你的脸颊,猛烈地吹吧!