Taking a look at some main points from "The Prince".

Source:

Machiavelli, Niccolò. "The Prince." Introduction by Christian Gauss, translated by Luigi Ricci, Revised by E.R.P. Vincent, A Mentor Classic, Oxford University Press "World's Classics", New York American Library of World Literature, Inc., 1952.

https://archive.org/details/princementorseri0000unse/mode/2up?view=theater