"The only thing we have to decide is what to do with the time that is given us."

The true power of mathematics lies in its ability to reveal hidden patterns and structures in the chaos of the universe.

苦难！我们所有美好的品质、生命中的价值都归功于它；我们因它而怜悯，因它而勇敢，因它而拥有所有美德。