In mathematics, the journey from confusion to clarity is the most rewarding experience.
The measure of success isn't market share, but meaningful impact.
译文：读书人读书，第一要有志向，第二要有见识，第三要有恒心。有了志向就不会甘心处于平庸的地位;有了见识就知道学问是没有尽头的，不敢因为有了一点收获就自我满足;有了恒心就绝对没有办不成的事情。这三种品质缺一不可。
"What good is the warmth of summer, without the cold of winter to give it sweetness."
People fear what they don't understand and hate what they can't conquer.