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 how not to be good, and use that knowledge, or refrain from using it, as necessity requires.
A prudent man should always follow in the path trodden by great men and imitate those who are most excellent, so that if he does not attain to their greatness, at any rate he will get some tinge of it.
For among other evils caused by being disarmed, it renders you contemptible; which is one of those disgraceful things which a prince must guard against.
People should either be caressed or crushed. If you do them minor damage they will get their revenge; but if you cripple them there is nothing they can do. If you need to injure someone, do it in such a way that you do not have to fear their vengeance.
Minds are of three kinds: one is capable of thinking for itself; another is able to understand the thinking of others; and a third can neither think for itself nor understand the thinking of others. The first is of the highest excellence, the second is excellent, and the third is worthless.
To keep your actions and your plans secret always has been a very good thing . .. Marcus Crassus said to one who asked him when he was going to move the army: 'Do you believe that you will be the only one not to hear the trumpet?
You do not know the unfathomable cowardice of humanity...servile in the face of force, pitiless in the face of weakness, implacable before blunders, indulgent before crimes...and patient to the point of martyrdom before all the violences of bold despotism.
One can make this generalization about men: they are ungrateful, fickle, liars, and deceivers, they shun danger and are greedy for profit; while you treat them well, they are yours. They would shed their blood for you, risk their property, their lives, their children, so long, as I said above, as danger is remote; but when you are in danger they turn against you.
And if, to be sure, sometimes you need to conceal a fact with words, do it in such a way that it does not become known, or, if it does become known, that you have a ready and quick defense.
There are three kinds of brains: One understands of itself, another can be taught to understand, and the third can neither understand to itself or be taught to understand.
That prince is highly esteemed who conveys this impression of himself, and he who is highly esteemed is not easily conspired against; for, provided it is well known that he is an excellent man and revered by his people, he can only be attacked with difficulty.