On Sat, Jul 31, 2010 at 12:05 PM, Andy <andy274 at gmail.com> wrote:
After 1971 he also took amphetamines, despite the concern of his
> friends, one of whom (Ron Graham) bet him $500 that he could not stop
> taking the drug for a month.[8] Erdős won the bet, but complained
> during his abstinence that mathematics had been set back by a month:
> "Before, when I looked at a piece of blank paper my mind was filled
> with ideas. Now all I see is a blank piece of paper." After he won the
> bet, he promptly resumed his amphetamine habit.
>
-- "Hige sceal þe heardra, heorte þe cenre, mod sceal þe mare, þe ure mægen lytlað."