"Whats your best thing, then?" Jim took another long sip. "Must be good at something, Bill, everyone is."
Now this was an unfortunate question to ask of Roach just then for it occupied most of his waking hours. Indeed he had recently come to doubt whether he had any purpose on earth at all.
- Jim Prideaux & Bill Roach, "Tinker, Tailor, Soldier, Spy" : John Le Carre