阅读未见过的书，如结识好朋友，情意和洽；重读已看过的书，如老朋友相晤，叙旧联谊。
In mathematics, the journey from confusion to clarity is the most rewarding experience.
"The best stories don't just entertain; they linger in the heart long after the last page is turned."
The most dangerous kind of waste is the waste we do not recognize.
The universe is a vast and mysterious place, and we are just beginning to understand its secrets.