知足常樂者最富有,因為知足本身就是財富.--蘇格拉底
Wealth is like sea-water:the more we drink,the thirstier we become; and the same is true of fame.--Arthur Schopenhauer
財富就像海水：飲得越多,渴得越厲害；名望實際上也如此.---叔本華
We have no more right to consume happiness without producing it than to consume wealth without producing it.-- G.B.Shaw
正像我們不能只享受財富而不創造財富壹樣,我們沒有權利只享受快樂而不創造快樂.--蕭伯納