A quotation by Alfréd Rényi
If I feel unhappy, I do mathematics to become happy. If I am happy, I do mathematics to keep happy.
Quoted in P Turán, "The Work of Alfréd Rényi", Matematikai Lapok 21 (1970) 199 - 210.
JOC/EFR February 2006
The URL of this page is:
http://www-history.mcs.st-andrews.ac.uk/Quotations/Renyi.html