The most successful states in the 21st century will be those that can combine the efficiency of markets with the fairness of democratic institutions.
伽罗瓦表示的研究是进入数学隐藏对称性的旅程。
电影的真正力量在于它无需言语就能唤起情感和引发思考的能力。
经过不断改善自己的动作,幼儿从独立活动中获得喜悦。
我不相信运气,我相信努力。
Persistence in research often pays off when you least expect it.