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文章来源: lei1232006-12-03 09:33:33
Confusion de confusiones   by Joseph Penso de la Vega

Confusion de Confusiones is an authentic primary historical source. 
Issued in 1688 by Joseph Penso de la Vega, a Portuguese Jew,
and written in Spanish, it is a series of dialogues explaining the operation
of the Amsterdam stock exchange of his time.

The Jew emphasize his point and conclude that

人生的座右铭   是宣言书
"... I esteem business but hate gambling ... It is possible that I shall become
 a holder of shares and shall deal in an honest way, but I am very sure that
I shall never become a speculator ..."