To every action there is always opposed an equal reaction； or， the mutual actions of two bodies upon each other are always equal， and directed to contrary parts.

Sustainability in mining isn't an option—it's our license to operate.

The sun must set to rise.

预测未来的最好方法就是去创造它。

The motor of our ingenuity is the question ‘Does it have to be like this?’, from which arise political reforms, scientific developments, improved relationships, better books.

最重要的是能够像经济学家一样思考，透过这个视角看世界。

软件开发中最重要的一个方面是明确你要构建什么。