事业虽扰人,懒惰害更大.
.action is the proper fruit of knowledge.
行动是知识之佳果.
.finished labours are pleasant.
完成工作是一乐.
.it is lost labour to sow where there is no soil.
没有土壤,播种也是徒劳.
.wisdom in the mind is better than money in the hand.
胸中有知识,胜于手中有钱.
.wisdom is a good purchase though we pay dear for it.
为了求知识,代价虽高也值得.
.doubt is the key of knowledge.
怀疑是知识之钥.
