A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.
The role of a leader is not to have all the answers, but to ask the right questions.
You are never too old to set another goal or to dream a new dream.
在模糊逻辑中,任何陈述的真实性都变成了一个程度问题。
"A writer's duty is to illuminate the shadows, to give voice to the silenced."
Theorems are the milestones of mathematics.