The best way to create interest in a subject is to render it worth knowing, which means to make the knowledge usable.
When will you ever make me proud?
团结起来，我们就可以帮助确保每个进入餐厅的家庭都能做出简单、健康的选择。
A woman's guess is much more accurate than a man's certainty.
数算练习告诉我们算术运算的原理，而不是单单的记忆和不断演算。
The goal of mathematics is to understand the universe in a deeper way.