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.

诚信是持久成功的基础。

在计算学习领域，关键不仅在于学习，而在于高效地学习。

The market is a reflection of the collective psychology of all participants.

法国只有在伟大时才是法国。

数学的本质在于其自由性。