对做好自己的事感到满足，不必理会别人如何议论你。

学习数学的唯一方法就是做数学。

Language is the house of being.

The quality of an organization's dedication determines the quality of its service.

All writing is autobiography.

天下的事情，祸患常常产生于疏忽细微之处，而人的志向也要警惕逐渐放纵。