宇宙正在膨胀，而且膨胀的速度在加快。

Innovation is the lifeblood of any successful business. Without it, companies stagnate and die.

The most credible empirical research often comes from studies that have a clear and transparent design, where the assumptions are laid out for everyone to see.

我唯一确定的是我一无所知。

没有快乐地生活是正义的特权。