子曰：“盖有不知而作之者，我无是也。多闻，择其善者而从之，多见而识之，知之次也。”
孔子说：“有一种人，不了解情况就冒然行事，我不会这样。多听，向先进人物学习；多看，把细节牢记在心。就是掌握知识的最好方法。”
真正的快乐来自于内心的满足。
没有孩子的民族将面临无望的未来；没有树木的国家将面临更加无望的未来。
Mathematics is the language with which God has written the universe.
出自《抱朴子·酒戒》。鼻子爱闻(酒)的气味，但却不能因此就去酗酒;嘴巴嗜好(酒)的滋味，但却不能因此就去滥饮。
Leadership is not about being in charge. It's about taking care of those in your charge.
There are no mistakes in art, only unexpected discoveries.
"We are all in the gutter, but some of us are looking at the stars."