I’ve always been an optimist and I suppose that is rooted in my belief that the power of creativity and intelligence can make the world a better place.

Every challenge is an opportunity to learn and grow.

A mathematician's work is never done; there are always new questions to explore and new mysteries to uncover.

The training and improvement of labor are effective ways to increase productivity.

舞台上的沉默可以比任何对白更响亮。