艺术家必须永远是一个初学者。
The artist must be a perpetual beginner.
You don't have to be perfect to be loved.
学习数学的唯一方法就是做数学。
有效的外交策略是建立在信任、合作和共同利益的基础上的。
"Dreams come true; without that possibility, nature would not incite us to have them."
The past is never dead. It's not even past.
数学是概念之间关系的科学，与内容无关。
真正的领导力在于以诚信做出艰难的决定。