47. All things in their being are good for something. 天生我才必有用。
48. And gladly would learn , and gladly teach.勤于學(xué)習的人才能樂(lè )意施教。
49. There is more than one way to skin a cat.到達目標的設備多得很。
50. Action is the proper fruit of knowledge.行動(dòng)是知識之佳果。