He who desires or attempts to reform the government of a state and wishes to have it accepted, must at least retain the semblance of the old forms; so that it may seem to the people that there has been no change in the institutions, even though in fact they are entirely different from the old ones. For the great majority of mankind are satisfied with appearances, as though they were realities.
But in Republics there is a stronger vitality, a fiercer hatred, a keener thirst for revenge. The memory of their former freedom will not let them rest; so that the safest course is either to destroy them, or to go and live in them.
War should be the only study of a prince. He should consider peace only as a breathing-time, which gives him leisure to contrive, and furnishes as ability to execute, military plans.
A prince who is not himself wise cannot be wisely advised. . . . Good advice depends on the shrewdness of the prince who seeks it, and not the shrewdness of the prince on good advice.
Entrepreneurs are simply those who understand that there is little difference between obstacle and opportunity and are able to turn both to their advantage.
How laudable it is for a prince to keep good faith and live with integrity, and not with astuteness, every one knows. Still the experience of our times shows those princes to have done great things who have had little regard for good faith, and have been able by astuteness to confuse men's brains, and who have ultimately overcome those who have made loyalty their foundation.
All who contribute to the overthrow of religion, or to the ruin of kingdoms and commonwealths, all who are foes to letters and to the arts which confer honour and benefit on the human race (among whom I reckon the impious, the cruel, the ignorant, the indolent, the base and the worthless), are held in infamy and detestation.