When one admits that nothing is certain one must, I think, also add that some things are more nearly certain than others.

When one admits that nothing is certain one must, I think, also add that some things are more nearly certain than others.

当一个人承认没有什么是确定的，我认为，他还必须补充说，有些事情比其他事情更接近确定。

-- Bertrand Russell 罗素