Great quote from Erdős after giving up amphetamines for a month to win a bet: You've showed me I'm not an addict. But I didn't get any work done. I'd get up in

Great quote from Erdős after giving up amphetamines for a month to win a bet: You've showed me I'm not an addict. But I didn't get any work done. I'd get up in the morning and stare at a blank piece of paper. I'd have no ideas, just like an ordinary person. You've set mathematics back a month.