数学的美只向更有耐心的追随者展示。

世界是生者的地方，死者在其中没有位置。

Happiness is the key to life. Without happiness, you have nothing.

Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems.

研究量子引力对于理解早期宇宙至关重要。

每个词都是通向自由的一步。