决定你高度的不是你的能力，而是你的态度。
The greatest experiments start with a simple question.
The past is a shadow, always following, but never catching up.
宁要知识不要财富，因为一个是短暂的，另一个是永恒的。
最好的发现来自于提出正确的问题。
Liberty cannot be preserved without a general knowledge among the people.
数学是解开宇宙秘密和理解支配它的基本法则的关键。
The only thing we have to fear is fear itself.