From the novel Treasure of the Sierra Madre, by B. Traven:
Anyone who is willing to work and is serious about it will certainly find a job. Only you must not go to the man who tells you this, for he has no job to offer and doesn’t know anyone who knows of a vacancy. This is exactly the reason why he gives you such generous advice, out of brotherly love, and to demonstrate how little he knows the world.
More here.
