“Einstein tells a joke. “An infinite number of mathematicians walk into a bar. The bartender says: ‘What’ll it be, boys?’ The first mathematician: ‘I’ll have one half of a beer.’ Second mathematician: ‘I’ll have one quarter of a beer. Third mathematician: ‘I’ll have one eighth of a beer.’ Fourth mathematician: ‘I’ll have one sixteenth of a – ’ The bartender interrupts, ‘Know your limits, boys,’ as he pours out a single beer.”
