He who fights with monsters should be careful lest he thereby become a monster.

Collaboration across disciplines is essential to solving the world's energy challenges.

可以利用身体自身的防御机制来对抗癌症。

Stories you read when you're the right age never quite leave you. You may forget who wrote them or what the story was called. Sometimes you'll forget precisely what happened, but if a story touches you it will stay with you, haunting the places in your mind that you rarely ever visit.