There's the moment when you know you can find out the answer and that's the period you are sleepless before you know what it is. When you've got it and know what it is, then you can rest easy.

— Dorothy Hodgkin, For our daughters: how outstanding women worldwide have balanced home and career (1996)

Source: http://books.google.com/books?id=UBqr_MEn4m4C&printsec=frontcover#PPA176,M1

From an interview with Olivia Cox-Fill, printed in a 1996 book.

Topics: creativity