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。
Adaptability is essential in a rapidly changing world.
不能以牺牲他人自由为代价来获得持久和平。
技术必须服务于社会，而不是相反。
Among thousands of people, you meet those you've met. Through thousands of years, across the boundless wilderness of time, you happen to meet them, neither earlier nor a bit too late. There is nothing to be said except to ask lightly, "Oh, you're here too?"
