At twenty-one, I was a divorced single mother. At thirty, I was struggling to feed my children. At forty, I was starting over in a new country. At fifty, I was rebuilding my career. At sixty, I walked the runway at Fashion Week. Life begins at every age—if you dare to make a plan.

在催化中，有时最小的修改可以带来最大的突破。

真相并不总在事实中，有时它隐藏在想象的褶皱里。

天文学的历史是一部视野不断扩展的历史。

A school should not just be a place to learn, but a place that inspires learning.