31.Wisdom is more to be envied than riches.
常识可羡,胜于财富。
32.Wisdom is better than gold or silver.
常识胜过金银,
33.Wisdom in the mind is better than money in the hand.
胸中有常识,胜于手中有钱。
34.Wisdom is a good purchase though we pay dear for it.
为了求常识,代价虽高也值得。
35.Doubt is the key of knowledge.
怀疑是常识之钥。
36.If you want knowledge,you must toil1 for it.
若需要常识,须从勤苦得。
37.A little knowledge is a dangerous thing.
浅学误人。
38.A handful of common sense is worth a bushel of learning.
少量的知识,当得很多的知识。
39.Knowledge advances by steps and not by leaps.
常识只能按部就班,不可以跃进。
40.Learn wisdom by the follies2 of others.
从旁人的愚行中学到聪明。