Final answer:
The phrase 'live off the fatta of the lan'' is a concept from the novel 'Of Mice and Men' by John Steinbeck, representing the dream of self-sustainability and freedom through owning and living off the land.
Step-by-step explanation:
The phrase "live off the fatta of the lan'" is taken from the novel Of Mice and Men by John Steinbeck. It refers to the dream of the characters George and Lennie to own a piece of land and live off its resources. The word 'fatta' is a dialectical pronunciation of 'fat', meaning the abundance of the land's offerings. It symbolizes the hope for self-sustainability and freedom from the challenges of the world.