"Take care of him. And make him feel important. And if you can do that, you'll have a happy and wonderful marriage. Like two out of every ten couples"

"There is no subject on which more dangerous nonsense is talked and thought than marriage"

"The referee is going to be the most important person in the ring tonight besides the fighters"

"I feel happy to terrify kids"

"Keep your eyes wide open before marriage, half shut afterwards"

"When a marriage works, nothing on earth can take its place"

"Tomorrow is the most important thing in life. Comes into us at midnight very clean. It's perfect when it arrives and it puts itself in our hands. It hopes we've learned something from yesterday"

"There is only one person who could ever make you happy, and that person is you"

"I was married to Margaret Joan Howe in 1940. Although not a scientist herself she has contributed more to my work than anyone else by providing a peaceful and happy home"

"It's important that people know what you stand for. It's equally important that they know what you won't stand for"

"In thinking about nanotechnology today, what's most important is understanding where it leads, what nanotechnology will look like after we reach the assembler breakthrough"