If you only notice human proceedings, you may observe that all who attain great power and riches, make use of either force or fraud; and what they have acquired either by deceit or violence, in order to conceal the disgraceful methods of attainment, they endeavor to sanctify with the false title of honest gains.

Gold will not always get you good soldiers, but good soldiers can get you gold.

as the physicians say it happens in hectic fever, that in the beginning of the malady it is easy to cure but difficult to detect, but in the course of time, not having been either detected or treated in the beginning, it becomes easy to detect but difficult to cure

Men are more ready to offend one who desires to be beloved than one who wishes to be feared.

From the latter he is defended by being well armed and having good allies, and if he is well armed he will have good friends, and affairs will always remain quiet within when they are quiet without, unless they should have been already disturbed by conspiracy; and even should affairs outside be disturbed, if he has carried out his preparations and has lived as I have said, as long as he does not despair, he will resist every attack.

You must never believe that the enemy does not know how to conduct his own affairs. Indeed, if you want to be deceived less and want to bear less danger, the more the enemy is weak or the less the enemy is cautious, so much more must you esteem him.

To ensure victory the troops must have confidence in themselves as well as in their commanders.