> a graduate student is a machine for converting coffee into theorems. This is a variation on a quote often attributed to Paul Erdős, but supposedly it's actua

> a graduate student is a machine for converting coffee into theorems. This is a variation on a quote often attributed to Paul Erdős, but supposedly it's actually by his colleague Alfréd Rényi: "A mathematician is a machine for turning coffee into theorems." [1] [2] [1] http://en.wikipedia.org/wiki/Alfr%C3%A9d_R%C3%A9nyi#Quotations http://en.wikipedia.org/wiki/Alfr%C3%A9d_R%C3%A9nyi#Quotatio... [2] http://en.wikiquote.org/wiki/Paul_Erd%C5%91s#Misattributed http://en.wikiquote.org/wiki/Paul_Erd%C5%91s#Misattributed