"I do not want horses or diamonds - I am happy in possessing you"

"I feel happy to terrify kids"

"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"

"If an ass goes travelling he will not come home a horse"

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

"A horse is dangerous at both ends and uncomfortable in the middle"

"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"

"Great effort from great motives is the best definition of a happy life"