Imagination governs the world.

A picture is worth a thousand words.

Men of learning in Milan have not enjoyed proper respect. They hid themselves in their laboratories and thought themselves lucky if . . . priests left them alone. All is changed today. Thought in Italy is free. Inquisition, intolerance, despots have vanished. I invite scholars to meet and propose what must be done to give science and the arts a new flowering.

The art of being sometimes audacious and sometimes very prudent is the secret of success.

The most difficult art is not in the choice of men, but in giving to the men chosen the highest service of which they are capable.

If the art of war were nothing but the art of avoiding risks, glory would become the prey of mediocre minds.... I have made all the calculations; fate will do the rest.

Un croquis vaut mieux qu

Read over and over again the campaigns of Alexander, Hannibal, Caesar, Gustavus, Turenne, Eugene and Frederic. ... This is the only way to become a great general and master the secrets of the art of war.

The art of land warfare is an art of genius, of inspiration. On the sea nothing is genius or inspiration; everything is positive or empiric.