The beauty of mathematics is that it is eternal, it doesn't change.
数学的美在于它是永恒的，它不会改变。
人生如一首乐曲，要用乐感，感情和直觉去谱写。不能只按乐律行事。
The magi, as you know, were wise men—wonderfully wise men—who brought gifts to the Babe in the manger. They invented the art of giving Christmas presents. Being wise, their gifts were no doubt wise ones, possibly bearing the privilege of exchange in case of duplication.
生活就是当你忙于制定其他计划时发生的事情。