The most elegant theories are useless if they don't correspond to reality.

I think it's important to be able to laugh at life.

最好的故事是那些在你翻完最后一页后仍久久留在你心中的故事。

完美数如同完美的人一样，非常罕见。

Technological breakthroughs are not achieved overnight, they require long-term investment and patient accumulation.

For beautiful hair, let a child run his or her fingers through it once a day.