The development of formal systems has revolutionized our understanding of mathematics.

I would argue that passion is more important than brainpower.

All I desired was to walk upon such an earth that had no maps.

天然气将发挥关键的桥梁作用，但它不能是最终目的地。

I have to be alone very often. I'd be quite happy if I spent from Saturday night until Monday morning alone in my apartment. That's how I refuel.