The peculiar evil of silencing the expression of an opinion is that it is robbing the human race; posterity as well as the existing generation; those who dissent from the opinion, still more than those who hold it.
历史不仅仅是关于过去;它是关于过去如何塑造现在。
Mathematical intuition often guides the development of algorithms, but it is the rigorous proof that ensures their correctness and efficiency.