So far as he is able, a prince should stick to the path of good but, if the necessity arises, he should know how to follow evil.
Niccolo MachiavelliWhoever desires to found a state and give it laws, must start with assuming that all men are bad and ever ready to display their vicious nature, whenever they may find occasion for it.
Niccolo MachiavelliThus it is well to seem merciful, faithful, humane, sincere, religious, and also to be so; but you must have the mind so disposed that when it is needful to be otherwise you may be able to change to the opposite qualities.
Niccolo Machiavelli