在Charles Koch (CEO of Koch Industries) 的辦公室裏掛著一封來自他父親Fred Koch 很久以前寫的，存放在保險箱裏的信。其中的語句很有意思：

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On another wall hangs a framed letter Koch found in his father's safe deposit box after Fred's death in 1967. Written in 1936, the letter expresses concern about the life insurance policies Fred had purchased to pay for his children's education in case he died. “If you choose to let this money destroy your initiative and independence,” Fred wrote, “then it will be a curse to you and my action in giving it to you will have been a mistake.”