Truth.

"The truth shall set you free" said a man once.
"okay hit me, tell me the trooth" responded a second man.
"you see all these fields? Acres and acres of room to do what you please. Rabbits bouncing around. A tree to climb and millions of daisies to dance in. The way that the sun warms your skin so you can bound around wearing the freeest clothes?"
"yeah"
"well it's all a hallucination, you're actually in prison"
"fuck"