I've just been so interested in what I was doing [genetic research] that I never thought of stopping, and I just hated sleeping. I can't imagine having a better life.
Source: In Time, 24 Oct 1983.
-- Barbara McClintock, (Jun 16 1902-1992), US scientist; She was one of the most important figures in the history of genetics; discovered mobile jumping genes; won Nobel Prize, 1983.