I hold it to be a proof of great prudence for men to abstain from threats and insulting words toward anyone, for neither diminishes the strength of the enemy.
Well used are those cruelties (if it is permitted to speak well of evil) that are carried out in a single stroke, done out of necessity to protect oneself, and are not continued but are instead converted into the greatest possible benefits for the subjects. Badly used are those cruelties which. although being few at the outset, grow with the passing time instead of disappearing. Those who follow the first method can remedy their condition with God and with men; the others cannot possibly survive.
For the great majority of mankind are satisfied with appearances, as though they were realities, and are often more influenced by the things that seem than by those that are.
One can say this in general of men: they are ungrateful, disloyal, insincere and deceitful, timid of danger and avid of profit...Love is a bond of obligation that these miserable creatures break whenever it suits them to do so; but fear holds them fast by a dread of punishment that never passes.
And when neither their property nor honour is touched, the majority of men live content, and he has only to contend with the ambition of a few, whom he can curb with ease in many ways.
No proceeding is better than that which you have concealed from the enemy until the time you have executed it. To know how to recognize an opportunity in war, and take it, benefits you more than anything else. Nature creates few men brave, industry and training makes many. Discipline in war counts more than fury.
As the observance of divine institutions is the cause of the greatness of republics, so the disregard of them produces their ruin; for where the fear of God is wanting, there the country will come to ruin, unless it be sustained the fear of the prince, which temporarily supply the want of religion.