In mathematics, the journey from confusion to clarity is the most rewarding experience.
The best products are those that solve real problems.
市场保持非理性的时间可能比你保持偿付能力的时间更长。
真理是一面从上帝手中掉下来摔成碎片的镜子。每个人都拿了一块,看着它,以为他们拥有了真理。