Quote of the day
Happiness includes chiefly the idea of satisfaction after full honest effort. No one can possibly be satisfied and no one can be happy who feels that in some paramount affairs he failed to take up the challenge of life.
Keith Devlin
Born: March 16, 1947 (age 78)
Bio: Keith J. Devlin is a British mathematician and popular science writer. Since 1987 he has lived in the United States. He has dual American-British citizenship.
Known for:
- The Language of Mathematics (1998)
- The Millennium Problems (1968)
- Life by the Numbers (1998)
- The unfinished game (2008)