"Yes, there is plenty of hard work for them in addition to that which they do when they appear, smiling and happy, when the curtain goes up. Giving a performance is the least of their worries"
"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"