当你把幸福掌握在手中的时候,它看起来总是微不足道,但当它不见的时候,你才会了解它是多么重要和珍贵。(5月30日之每日名言)
The pursuit of mathematical knowledge is a never-ending adventure, filled with challenges, surprises, and the satisfaction of solving the unsolvable.
自由始于无知结束之时。