Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.

领导力意味着为了更美好的明天而在今天做出艰难的选择。

读书最要紧的就是勤学好问，做人最要紧的就是实实在在而持之以恒。

最好的建筑是沉默但雄辩的。

物理学的美丽在于它能够用几个简单的原理解释宇宙。

Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you. 

儿童的进步不是取决于年龄，而是取决于能够自由地观看他周围的一切。

即使我们分开，我们的心也永远在一起。