Your time is limited, so don't waste it living someone else's life.
"The world is a book, and those who do not travel read only one page."
邪恶获胜的唯一必要条件是好人无所作为。
计算的力量不仅在于解决问题，还在于其解决问题的优雅和效率。
你唯一应该努力超越的人就是昨天的自己。
The teacher must believe in the potential of his students. He must see in each one of them a spark of the divine fire.