The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.

The only thing worse than starting something and failing is not starting something.

The ultimate measure of a man is not where he stands in moments of comfort and convenience， but where he stands at times of challenge and controversy.

I don't sing for the critics. I sing for the fans.

对付一个不自由的世界唯一的方法就是变得如此绝对自由，以至于你的存在本身就是一种反叛。