数学推理可以相当系统地看作是两种能力的结合运用，我们可以称之为直觉和独创性。

最重要的是享受你的生活——快乐——这才是最重要的。

"The best shots are often the simplest; they rely on composition, light, and timing rather than elaborate setups."

唯一的限制是你给自己设定的限制。

The art of doing mathematics consists in finding that special case which contains all the germs of generality.

不经历风雨，怎么见彩虹。

The only phrase I've ever disliked is, 'Why, we've always done it that way.' I always tell young people, 'Go ahead and do it. You can always apologize later.'

Drawing is not just about making marks on paper; it's about telling a story.