“To understand the man you have to know what was happening in the world when he was twenty.”

“Courage isn't having the strength to go on - it is going on when you don't have strength.”

“When you have an enemy in your power, deprive him of the means of ever injuring you.”

“It's the unconquerable soul of man, and not the nature of the weapon he uses, that ensures victory”

“Never interrupt your enemy when he is making a mistake.”

“If you wish to be a success in the world, promise everything, deliver nothing.”

“Show me a family of readers, and I will show you the people who move the world.”