Men ought either to be well treated or crushed, because they can avenge themselves of lighter injuries, of more serious ones they cannot; therefore the injury that is to be done to a man ought to be of such a kind that one does not stand in fear of revenge.
Whoever 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.
It is a true observation of ancient writers, that as men are apt to be cast down by adversity, so they, are easily satiated with prosperity, and that joy and grief produce the same effects. For whenever men are not obliged by necessity to fight they fight from ambition, which is so powerful a passion in the human breast that however high we reach we are never satisfied.
There are three kinds of minds: first those that attain insight and understanding of things by their own means, then those that recognize what is right when others explain it to them, and finally those that are capable of neither one nor the other.
No one should therefore fear that he cannot accomplish what others have accomplished, for, men are born, live, and die in quite the same way they always have.
Therefore the best fortress is to be found in the love of the people, for although you may have fortresses they will not save you if you are hated by the people.
For, besides what has been said, it should be borne in mind that the temper of the multitude is fickle, and that while it is easy to persuade them of a thing, it is hard to fix them in that persuasion
The main foundations of every state, new states as well as ancient or composite ones, are good laws and good arms you cannot have good laws without good arms, and where there are good arms, good laws inevitably follow.
As all those have shown who have discussed civil institutions, and as every history is full of examples, it is necessary to whoever arranges to found a Republic and establish laws in it, to presuppose that all men are bad and that they will use their malignity of mind every time they have the opportunity.
It is necessary for him who lays out a state and arranges laws for it to presuppose that all men are evil and that they are always going to act according to the wickedness of their spirits whenever they have free scope.