41 Every man is the architect of his own fortune.
每一个人都是自身幸福的建筑师。
42 Happy is he who knows his follies in his youth.
记得年轻时所作蠢事的人是幸福的。
43 Misfortunes never (seldom) come alone (single).
祸不单行。
44 Misfortune is a good teacher.
不幸是良好的教师。
45 Misfortunes come at night.
祸常生于不测。
46 Misfortunes tell us what fortune is.
恶运临头后，才知幸运贵。
47 Adversity makes a man wise, not rich.
患难能使人聪明，但不能使人富有。
48 Live and learn.
活到老，学到老。
49 It is never too old to learn.
为学不怕年高。
50 A man becomes learned by asking questions.
要长学问，就得多问；多问则业精。