To be forgotten is worse than death.
数学的目标不是解决问题,而是理解问题。
"We are all agreed that your theory is crazy. The question which divides us is whether it is crazy enough to have a chance of being correct."
"Un libro es una conversación entre el autor y el lector a través del tiempo."
消费者的信任很难赢得却很容易失去。我们必须每天保护它。