To create something that's never been seen before is the greatest challenge.
语言不是一种文化产物,不像我们学习报时或了解联邦政府运作那样。相反,它是我们大脑生物构成的一个独特部分。
Never stop learning; the world is always evolving.
If you don't know where you are going, any road will get you there.
每个人的生命都有一个决定性的时刻,一个一切都改变的时刻。
I don't count my sit-ups. I only start counting when it starts hurting.
数学家的工作大多是孤独的追求,但它建立在许多其他人的工作之上。