"Maybe you can afford to wait. Maybe for you there’s a tomorrow. Maybe for you there’s one thousand tomorrows, or three thousand, or ten, so much time you can bathe in it, roll around it, let it slide like coins through your fingers. So much time you can waste it. But for some of us there’s only today. And the truth is, you never really know."

The study of mathematics is a journey without an end.

【释义】就像巍峨的大厦突然轰然倒塌，又像风中残烛昏惨惨地即将熄灭。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

科学进步必须以道德指南针为指导。

在我们迈向低碳未来的过程中，天然气将在能源结构中发挥关键作用。