"The key to success is to focus on goals, not obstacles."

数学家是将咖啡转化为定理的装置。

经国济世之道来自广博的学问，它才有不竭的源泉；修心养性之道体现在建功立业上，它才算得上圆满。除了建功立业之外，世上没有真正的学问；要寻求修心养性之道，必须到圣贤的文章中去找

In chemicals, our greatest challenge is also our greatest opportunity: meeting global needs while protecting the planet.

The simplest drawings can often carry the deepest emotions.