"Self discipline is that which, next to virtue, truly and essentially raises one man above another."

"Part of being a hero is knowing when you don't need to be one anymore."

"It is characteristic of all deep human problems that they are not to be approached without some humor and some bewilderment."

"Liberty without learning is always in peril; learning without liberty is always in vain."

"Property has its duties as well as its rights."

"Good men must be affectionate men."

"The world will change for the better when people decide they are sick and tired of being sick and tired of the way the world is, and decide to change themselves."

"It's not my Goddamn planet! Understand, Monkey-Boy?"

"Man perfected by society is the best of all animals; he is the most terrible of all when he lives without law, and without justice."

"In films murders are always very clean. I show how difficult it is and what a messy thing it is to kill a man."