最坚强的人是那些经历过最多但仍然选择去爱的人。
The strongest people are those who have been through the most but still choose to love.
The world is full of people who have stopped listening to themselves or have listened only to their neighbors to learn what they ought to do, how they ought to behave, and what the values are that they should be living by.
Combinatorics is like the art of counting without actually counting.
"A writer must be both a dreamer and a realist."
在对抗现实的战争中，想象力是最强大的武器。
目标，无论是否达到，都使生命伟大。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.