"Very few recognize science as the high adventure it really is, the wildest of all explorations ever taken by human beings, the chance to glimpse things never seen before, the shrewdest maneuver for discovering how the world works."
"He who is void of virtuous attachments in private life is, or very soon will be, void of all regard for his country. There is seldom an instance of a man guilty of betraying his country, who had not before lost the feeling of moral obligations in his private connections."
"Children are amazing, and while I go to places like Princeton and Harvard and Yale, and of course I teach at Columbia, NYU, and that's nice and I love students, but the most fun of all are the real little ones, the young ones."
"The purpose of all wars, is peace."
"I think that obviously, there is a perverse attraction to a fundamentally changed world or the end of the world. There is a death wish, a perverse death wish. Not just for ourselves, not just for the movie 'Death Wish,' but for the end of all human life."
"What is the price of experience? Do men buy it for a song? Or wisdom for a dance in the street? No, it is bought with the price of all the man hath, his house, his wife, his children."
"Few will have the greatness to bend history itself but each of us can work to change a small portion of events, and in the total of all those acts will be written the history of this generation."
"You know, out-of-touch liberals like Barack Obama say they want a strong economy, but in everything they do, they show they don't like business very much. But the economy, of course, is simply the product of all the businesses of the nation added together. So it's a bit like saying you like an omelet, but you don't like eggs."
"Every great person is always being helped by everybody for their gift is to get good out of all things and all persons."
"The writing is really hard. You're alone. It really pulls it out of you. You pull it out of your head. But when you're a director, you're shopping - you're picking this actor, you're picking this scene. It's like the most intense kinetic high-speed shopping of all time. You sit in a chair and it will all come rushing at you like a wind tunnel."