成功就是解决问题的集合。
Success is a collection of problems solved.
Your brain is your most important asset; take care of it.
The real moral test of a society is how it treats those who are at the dawn of life, the children; those who are in the twilight of life, the aged; and those who are in the shadow of life, the sick, the needy and the handicapped.
数学家的直觉和严谨的证明同样重要。
如果你想养活世界，先听听那些种植粮食的人怎么说。
荒野是一个危险的地方。要生存，你必须尊重它。