记忆是一种成就,甚至是一种更新。
"Memory is a kind of accomplishment, a sort of renewal even."
The mystery of the beginning of all things is insoluble by us; and I for one must be content to remain an agnostic.
数学的本质在于它揭示模式和对称性的力量。
The past is never dead. It's not even past.