"In a happy marriage it is the wife who provides the climate, the husband the landscape"

"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"

"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"

"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"

"Happiness is the only good. The time to be happy is now. The place to be happy is here. The way to be happy is to make others so"

"A happy childhood has spoiled many a promising life"