The anti-apartheid prisoners on the island, like so many in every age and nation, found that Shakespeare had a peculiar ability to gentle their condition. They used to gather clandestinely to read the plays; on one occasion, the book was passed around for each man to mark his favourite lines.
I also know that in the second movie, the sequel, Eric made some huge advances with the robot suit. That just made it even better. You put the suit on and moved your arms then the robot's arms would move in sync with yours.