Doubt is the key of knowledge250字作文

　　1、Wisdom is more to be envied than riches.
　　知識可羨，勝於財富。
　　2、Wisdom is better than gold or silver.
　　知識勝過金銀。
　　3、Wisdom in the mind is better than money in the hand.
　　胸中有知識，勝於手中有錢。
　　4、Wisdom is a good purchase though we pay dear for it.
　　爲了求知識，代價雖高也值得。
　　5、Doubt is the key of knowledge.
　　懷疑是知識之鑰。