数学的真正力量不在于它的复杂性，而在于它的简洁和优雅。
The true power of mathematics is not in its complexity, but in its simplicity and elegance.
好的教育中，一半的技能，是学会鉴别“哪些事物应被直接忽略掉”这样的能力。
利润生长在责任播种的地方。
成功的关键在于坚持和努力。
The goal of mathematics is not to solve problems, but to understand them.
The defining characteristic of pessimists is that they tend to believe bad events will last a long time, will undermine everything they do, and are their own fault.
