"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
The past is not static; it evolves with our understanding.
"La palabra es el arma más poderosa que tenemos contra la injusticia."
最优财政政策要求税率随时间平稳变化,仅对政府支出的永久性变化作出反应。