Paul Atreides: What if I'm not, Dad?
Duke Leto Atreides: Not what?
Paul Atreides: The future of House Atreides.
Duke Leto Atreides: [shows Paul his signet ring] I told my father I didn't want this either. I wanted to be a pilot.
Paul Atreides: You never told me that.
Duke Leto Atreides: Your grandfather said, "A great man doesn't seek to lead. He's called to it, and he answers." And if your answer is no, you'll still be the only thing I ever needed you to be. My son.
Duke Leto Atreides: Not what?
Paul Atreides: The future of House Atreides.
Duke Leto Atreides: [shows Paul his signet ring] I told my father I didn't want this either. I wanted to be a pilot.
Paul Atreides: You never told me that.
Duke Leto Atreides: Your grandfather said, "A great man doesn't seek to lead. He's called to it, and he answers." And if your answer is no, you'll still be the only thing I ever needed you to be. My son.
Paul Atreides : What if I'm not, Dad?
Duke Leto Atreides : Not what?
Paul Atreides : The future of House Atreides.
Duke Leto Atreides : [shows Paul his signet ring] I told my father I didn't want this either. I wanted to be a pilot.
Paul Atreides : You never told me that.
Duke Leto Atreides : Your grandfather said, "A great man doesn't seek to lead. He's called to it, and he answers." And if your answer is no, you'll still be the only thing I ever needed you to be. My son.
http://www.moviequotedb.com/movies/dune-2021/quote_120237.html