追求数学知识是一场永无止境的冒险，充满了挑战、惊喜和解决不可解问题的满足感。
The pursuit of mathematical knowledge is a never-ending adventure, filled with challenges, surprises, and the satisfaction of solving the unsolvable.
自由民主可能构成“人类意识形态演化的终点”和“人类政府的最终形式”，因此构成了“历史的终结”。
I think the most important thing is to be honest and truthful with what you say and what you do.
The only limits that exist are the ones in your mind.
The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.