... War is the sole art looked for in one who rules... - Niccolò Machiavelli

A Prince is likewise esteemed who is a stanch friend and a thorough foe, that is to say, who without reserve openly declares for one against another, this being always a more advantageous course than to stand neutral. For supposing two of your powerful neighbours come to blows, it must either be that you have, or have not, reason to fear the one who comes off victorious. In either case it will always be well for you to declare yourself, and join in frankly with one side or other. For should you fail to do so you are certain, in the former of the cases put, to become the prey of the victor to the satisfaction and delight of the vanquished, and no reason or circumstance that you may plead will avail to shield or shelter you; for the victor dislikes doubtful friends, and such as will not help him at a pinch; and the vanquished will have nothing to say to you, since you would not share his fortunes sword in hand.

We have not seen great things done in our time except by those who have been considered mean; the rest have failed.

... Whoever becomes master of a city accustomed to live in freedom and does no destroy it, may reckon on being destroyed by it. For if it should rebel, it can always screen itself under the name of liberty and its ancient laws, which no length of time, nor any benefit conferred will ever cause it to forget; and do what you will, and take what care you may, unless the inhabitants be scattered and dispersed, this name, and the old order of things, will never cease to be remembered...