54. Knowledge is power.

知识就是力量。

53. Imagination is more important than knowledge.

想象力比知识更为重要。

52. Activity is the only road to knowledge.

行动是通往知识的唯一道路。

51. No pain, no palm; no thorns, no throne ; no gall, no glory; no cross, no crown. 没有播种，何来收获；没有辛劳，何来成功；没有磨难，何来荣耀；没有挫折，何来辉煌。

50. No one can degrade us except ourselves; that if we are worthy, no influence can defeat us. 　 除了我们自己以外，没有人能贬低我们。如果我们坚强，就没有什么不良影响能够打败我们。

49. The important thing in life is to have a great aim, and the determination to attain it.

人生重要的事情就是确定一个伟大的目标，并决心实现它。

48. Living without an aim is like sailing without a compass. 　

生活没有目标就像航海没有指南针。

47. If winter comes, can spring be far behind?

冬天来了，春天还会远吗？