Children's books should challenge as well as comfort.
释义:在人的一生中,应当做到无愧于古人。即要努力做到像古代的贤人一样,有高尚的品德和行为,不因个人的私欲而做出违背道德和原则的事情。
The human mind is a complex and fascinating subject, and understanding it requires both scientific rigor and a touch of creativity.
你如果出色地完成了某件事,那你应该再做一些其他的精彩事儿。不要在前一件事上徘徊太久,想想接下来该做什么。