A tannery’s legacy should be measured by its environmental stewardship.
The said truth is that it is the greatest happiness of the greatest number that is the measure of right and wrong.
The thing about life is that it's never the way you think it's going to be.
应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反抗。
数学的美只向更有耐心的追随者展示。
知识最大的敌人不是无知，而是知识的幻觉。
心若是牢笼，处处为牢笼，自由不在外面，而在于内心。