解释:自己行为不端的人就难以要求别人行为端正,不孝顺父母的人也不能忠于君主。
数学思想的真正考验是它能否激发进一步的思考。
全球性挑战需要全球合作。
I think women rule the world and that no man has ever done anything that a woman either hasn't allowed him to do or encouraged him to do.