Read, Read, Read
Reading is a spectacular way to learn, explore new ideas, and get insights into how others think. However, to most people reading is at best a boring pastime, and at worst, a complete chore. But that attitude towards reading is likely to change if you have no other way to entertain yourself.
Reading books is one of the only ways to stimulate your mind while in prison. As this convict found out, reading is a fantastic tool that can give you motivation and a new view on life. With plenty of hours to spare, there is no telling how many books a smart inmate could absorb.