Lie to others, lie to yourself (spiral together; either fantastically poor or spectacularly rich)
Lie to others, tell yourself the truth (manipulation, morally broke, but materially rich)
Tell others the truth, tell yourself the truth (integrity, barely scrape by)
Tell others the truth, lie to yourself (be used by the system, usually end up poorly)
His father's saying may have been: "There are three honest ways to make a living".
The fourth option is where scams and fraud live.
For the downvoters, have you ever tried to explicitly map your externalities?
> "there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns—the ones we don't know we don't know."
The fourth corner is unknown knowns, things that we don't know that we know. Bureaucracies have that one in spades.