"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"

"I feel happy to terrify kids"

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

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

"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"

"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"

"Disciplining yourself to do what you know is right and important, although difficult, is the highroad to pride, self-esteem, and personal satisfaction"

"No man is happy who does not think himself so"

"Try to be happy in this present moment, and put not off being so to a time to come, as though that time should be of another make from this which has already come and is ours"

"Happy is the person who knows what to remember of the past, what to enjoy in the present, and what to plan for in the future"