The most important quality in a scientist is persistence.
The most sustainable product is the one that already exists.
Life is like a bracelet...It has little jewels around it which are like the little bright moments that come along in our lives every now and then...
在弦理论的早期，我们就像是在绘制未知大陆的地图的探险家。
To understand just one life, you have to swallow the world.