数学直觉常常指导算法的发展，但确保其正确性和效率的是严格的证明。
Every challenge in business is an opportunity to rewrite the rules.
It is vain to talk of the interest of the community， without understanding what is the interest of the individual.
有一句话我等了三十年，现在终于可以说了：“老爸，我总是跟你说，我会回来拿到我的学位的！”我要感谢哈佛大学在这个时候给我这个荣誉。明年，我就要换工作了(注：指从微软公司退休)……我终于可以在简历上写我有一个本科学位，这真是不错啊。
A fine remedy for our anxieties over our low status in society may be to travel—whether literally or figuratively, by viewing works of art—through the gigantic spaces of the world.
Stay true to yourself, don't change because of others' opinions.
The most personal is the most universal.