世界充满了迹象和奇迹,但我们对它们视而不见。
The more you can increase the fear of failure, the more you can motivate people to avoid it.
I think of a hero as someone who understands the degree of responsibility that comes with his freedom.
To understand a sentence means to understand a language.
The beauty of a mathematical idea is that it can be shared and understood across cultures and time.
Hard work beats talent when talent fails to work hard.