Every mathematical problem has a solution; sometimes it just takes time to find it.
一幅画必须立即被整体把握,就像一段音乐。
谷物种植的成功不仅仅以蒲式耳衡量,还要看我们土壤的健康状况。
The only purpose for which power can be rightfully exercised over any member of a civilized community, against his will, is to prevent harm to others.