Man finds himself only in action.
In mathematics, the simplest questions often lead to the most profound discoveries.
次要规则是那些规定主要规则的创建、修改和废止的规则。
写作是为无声者发声,照亮我们世界的阴影。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."