When I was still in High School, I discovered that my Mom's Delmont 88 key would start my buddie's 63 Impala. I kept that to myself, but I did move his car everytime I caught it unattended. He thought he was going nuts!
He that would make his own liberty secure, must guard even his enemy from oppression; for if he violates this duty, he establishes a precedent that will reach to himself.
Thomas Paine