Ambition leads me not only farther than any other man has been before me, but as far as I think it possible for man to go.
A smooth sea never made a skilled sailor.
发展必须被理解为一个多维度的过程,涉及社会结构、民众态度和国家制度的重大变革,以及经济增长的加速、不平等的减少和贫困的消除。
教学的艺术是帮助发现的艺术。