“No enterprise is more likely to succeed than one concealed from the enemy until it is ripe for execution.”

“The more sand has escaped from the hourglass of our life, the clearer we should see through it.”

“A return to first principles in a republic is sometimes caused by the simple virtues of one man. His good example has such an influence that the good men strive to imitate him, and the wicked are ashamed to lead a life so contrary to his example.”

“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.”

“Whosoever desires constant success must change his conduct with the times.”

“There is nothing more difficult to take in hand, more perilous to conduct, or more uncertain in its success, than to take the lead in the introduction of a new order of things.”