The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
The best moments in our lives are not the passive, receptive, relaxing times... The best moments usually occur if a person's body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.
我想成为我一直想成为的样子——统治性的。
质量不是命运;它是一种选择。
Innovation is the ability to see change as an opportunity, not a threat.
沉默从来不是空的;它充满了可能性。