Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.
你爱得越多,失去得越多。
管理是企业的核心,只有科学管理才能提高效率。
书籍是反映我们恐惧的镜子。
我不是为读者写作,我是反对读者写作。
The real competition is never rivals, but users' old habits.