Yes, as you can see I did not elaborate at all. Here is an article that I found to be a wonderful read for all the curious crackers out there. An ethical perspective on hacking. If your going to be a hacker at least benefit the community. Linux was built by hackers and is a great example of a lot of good that can come out of "hacking."
A passion to learn is what we all need if we ever want a daunting technical prowess.
http://www.robson.org/gary/writing/becomeahacker.html