"Peace is the happy natural state of man; war is corruption and disgrace"

"Peace is the virtue of civilization. War is its crime"

"The meaning of peace is the absence of opposition to socialism"

"He is happiest, be he king or peasant, who finds peace in his home"

"I feel happy to terrify kids"

"I don't know whether war is an interlude during peace, or peace an interlude during war"

"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"

"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"

"The most valuable possession you can own is an open heart. The most powerful weapon you can be is an instrument of peace"

"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"