"The past is never dead. It's not even past."
学无止境，“活到老，学到老”。“为之，人也；舍之，禽兽也。”学习，是人的本性，是人和禽兽的重要区别之一。学习，当然不只是书本上的知识。当今社会，社会发展的车轮呼啸前行，不积极学习就会被时代抛在后面。善于学习，才能掌握在现代社会的生存技能，才能适应社会的飞速发展。
我只是一个来自俄亥俄州阿克伦的小孩。
数学中最深刻的思想往往源于最简单的观察。
"Memory is a complicated thing, a relative to truth, but not its twin."
The teacher who is indeed wise does not bid you to enter the house of his wisdom but rather leads you to the threshold of your own mind.
每一个真正的艺术创作都是独立于时间和空间而构思的。
The question isn't who is going to let me; it's who is going to stop me.