The joy of mathematics is in the struggle to understand.
数学的乐趣在于努力理解的过程。
每个圣人都有过去，每个罪人都有未来。
思想和背景的多样性推动突破性发现。
Love is the only thing that grows when you give it away.
I've never known anyone who was what he or she seemed; or at least, was only what he or she seemed.
I don't think about age. I think about life and living.
最好的外交家是能够看到事物的未来发展趋势，而不仅仅是眼前的现实。
写作是一种保存短暂事物的方式。
成功的真正标准不仅仅是盈利能力，还有我们在社区中创造的积极影响。