研究量子引力对于理解早期宇宙至关重要。

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

The human race has one really effective weapon, and that is laughter.

我想唯有自由人才能感受到这种兴奋，一个自由人步上漫长的旅程，奔向不确定的未来。

我相信自己和我的能力。