He was a rake among scholars, and a scholar among rakes. – Thomas Babington Macaulay

People often become scholars for the same reason they become soldiers: simply because they are unfit for any other station. Their right hand has to earn them a livelihood; one might say they lie down like bears in winter and seek sustenance from their paws. – G. C. (Georg Christoph) Lichtenberg

Scholarship except by accident is never the measure of a persons power. – Josiah Gilbert Holland