The United States is experiencing a crisis of political decay, with institutions that are increasingly dysfunctional and unable to address the country's challenges.
追求数学真理就是追求美、优雅和简洁。
传记的挑战不仅在于记录,更在于照亮。
伟大的事情总是简单,最伟大的事情只有一个词:自游,正义,荣誉,责任,仁慈,希望。