Found the below quote on this article about Machiavelli Psychology: How to Figure People Out. Interesting read, to say the least…

Any man who tries to be good all the time is bound to come to ruin among the great number who are not good. Hence a prince who wants to keep his authority must learn now not to be good, and use that knowledge, or refrain from using it, as a necessity requires.

~ Niccolo Machiavelli, 1469-1527