“Dead ends are illusory. When did you ever let a ‘Do not enter’ sign keep you away from anything? Go around the brick walls. When you can’t go around, climb over or dig under. Just don’t give up.”
This is a quote from Nobel laureate Luis Alvarez, physicist and inventor, in The Cuckoo’s Egg, Cliff Stoll’s wonderful account of chasing computer hackers and spies in the 80’s when networking was young and network security had barely been thought of.
The Cuckoo’s Egg: Tracking a Spy Through the Maze of Computer Espionage