教学的艺术在很大程度上在于唤醒年轻心灵的自然好奇心，并用知识的营养来满足它。
The art of teaching consists in large part of the ability to awaken the natural curiosity of young minds and to satisfy it with the nourishment of knowledge.
我不是商人。我是设计师和工程师。
I'm not in competition with anybody but myself. My goal is to beat my last performance.
Leadership means making tough decisions today for a better tomorrow.
