Abstraction is the key to mathematics.
真正创新的考验在于它是否能让普通人的生活变得更好。
我们有缺陷的金融部门的多重失败不仅危及我们国家储户的退休保障,而且危及我们整个社会参与的经济。
即使在面临最严峻的挑战时,质量也绝不能妥协。
The biggest risk is not taking any risk. In a world that's changing really quickly, the only strategy that is guaranteed to fail is not taking risks.
A person may cause evil to others not only by his actions but by his inaction, and in either case, he is justly accountable to them for the injury.