没有目标的利润最终是不可持续的。

Great histories are written with ink and blood.

幽默是儿童书籍中的强大工具；它可以让严肃的话题变得易于接受。

"Every story is a seed waiting to be planted in the reader's mind."

I don't think that everyone should become a mathematician, but I do believe that many students don't give mathematics a real chance.

我不做容易的事。我让事情发生。

互联网的未来不仅仅是技术，而是它如何为人类服务。

翻译：天空高高在上而大地在人们脚下，乾坤所代表的天地的位置就确定了；把在人们脚下的和高高在上的罗列出来，高下与卑贱事物的地位就排定了；运动与静止有规律，阳刚和阴柔就明确分开了。