"The people say what they like and then I do what I like"
"If I wished to punish a province, I would have it governed by philosophers."
"Artillery adds dignity, to what would otherwise be an ugly brawl."
"Every man has a wild beast within him."
"If soldiers were to begin to think, not one of them would remain in the army."
"Great advantage is drawn from knowledge of your adversary, and when you know the measure of his intelligence and character, you can use it to play on his weakness."
"The greatest and noblest pleasure which we have in this world is to discover new truths, and the next is to shake off old prejudices."
"The more I see of men, the better I like my dog."
"Great things are achieved only when we take great risks."
"A king is the first servant and first magistrate of the state."
"To your care and recommendation am I indebted for having replaced a half-blind mathematician with a mathematician with both eyes, which will especially please the anatomical members of my Academy."
"Diplomacy without arms is like a concert without a score"
"Books make up no small part of human happiness."
"It is impossible to imitate Voltaire without being Voltaire."
"Though I may not be a king in my future life, so much the better: I shall nevertheless live an active life and, on top of it, earn less ingratitude."
"My people and I have come to an agreement which satisfies us both. They are to do what they please, and I am to do what I please."
"Always presume that the enemy has dangerous designs and always be forehanded with the remedy. But do not let these calculations make your timid."
"Our work is to present things that are as they are."
"As to your Newton, I confess I do not understand his void and his gravity; I admit he has demonstrated the movement of the heavenly bodies with more exactitude than his forerunners; but you will admit it is an absurdity to to maintain the existence of Nothing."
"Do not neglect the principles of foresight and know that often, puffed up with success, armies have lost the fruit of their heroism through a feeling of false security."
"Many battles have been fought and won by soldiers nourished on beer."
"Many battles have been fought and won by soldiers nourished on beer, and the King does not believe that coffee-drinking soldiers can be relied upon to endure hardships in case of another war."
"It is the fashion these days to make war, and presumably it will last a while yet."
"Man is made for error; it enters his mind naturally, and he discovers a few truths only with the greatest effort."
"It is pardonable to be defeated, but never to be surprised."