量子电动力学的发展表明，粒子的概念并不像曾经认为的那样简单。

Technology in mining isn't about replacing people; it's about empowering them to do better work.

The price of getting what you want is getting what you once wanted.

当我看着这个世界时，我是悲观的，但当我看着人们时，我是乐观的。

The single easiest way to find out how you feel about someone. Say goodbye.

【释义】：和品德好的人相处，就像进入放满香草的屋子，久了也会染上香气；与恶人交往，如同走进卖臭鱼的店铺，久了也会变臭。