It IS the correct thing...

To be willing to work hard and concentrate one's whole attention upon whatever one is doing.

To remember that the knowledge of a trade or profession is in itself capital.

To remember that it is no child's play to succeed in business of any kind.

To be uniformly polite in business relations and to remember that a pleasant manner is almost always a passport to success.

To remember that "time is money" to someone, if not to yourself.

To remember that a character for integrity is a capital one need never lose.

It is not the correct thing...

To purchase on credit where one can as easily pay cash.

To fill one's office or workroom with tobacco smoke.

To be unwilling to learn a trade or business thoroughly or to imagine that one can succeed in a business, trade, or profession without a thorough training for it.

To buy what one does not need, merely because it is "cheap."

To become surety for another person or to endorse notes for them unless one be prepared and able to pay them if they fail to do so.

To neglect or despise a small amount of money.