Liberty cannot be preserved without a general knowledge among the people.

Every great mathematical theory begins as a heresy and ends as a dogma.

“做出伟大工作的唯一方法是热爱你所做的事情。”

RESOLUTION. Resolve to perform what you ought; perform without fail what you resolve.

The only sin is mediocrity.

你不能让恐惧阻止你过自己的生活。