Damn, muttered Opal, staring after him, guess he flunked charm school. - Charles E. Gannon

If the motivation was simple greed, then that was a promising target for development as an agent inside the enemy’s camp. Greed was not only a predictable impulse, but was an indicator of the dependability of the individual being suborned. It was overwhelmingly associated with profoundly self-centered egos and values.

Whose tutelage led you into those fishless waters?

Caine has a serious flaw when it comes to working for the government.
"Which is?"
"Well, he has this real bad habit of telling the truth.