"I am much obliged by the favourable sentiments you express towards me, and shall be happy if I can be of service in carrying into execution your plans"
"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"
"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"
"Don't wish me happiness - I don't expect to be happy it's gotten beyond that, somehow. Wish me courage and strength and a sense of humor - I will need them all"
