In the realm of mathematics, every problem is an opportunity to discover something new.
"You can't go back and change the beginning, but you can start where you are and change the ending."
We are all born with a certain inheritance of time, and we must learn to spend it wisely.
诗歌是一块画布,心灵可以在上面作画。
最终,重要的不是你生命中的岁月,而是你岁月中的生命。