Wisdom from Harry Potter and the Sorcerer's Stone

I watched this first of the Harry Potter movies last night. It's a wonderful movie, particularly for nerds like me. Through it, you live vicariously through a kid who has lived in dreary conditions for years, only to suddenly be swept up to a magical land where he is appreciated, even revered. But he has done nothing up to this point to earn any of it. He is told that he is an amazing wizard, and has been given, free of charge, the tools with which to create himself accordingly. And on a much more mundane level, he wanders through Diagon Alley with Hagrid, basically doing his back-to-school shopping. But for what other school do you require a pewter pot, an owl, and a wand? Magic suffuses this movie, and I'm not just talking about potions, herbology, or flying on the Nimbus 2000.

Along the way, he discovers, among other things, the Mirror of Erised. He sees his deceased parents in there, whom he has never known, beaming at him with pride and love. Understandably, it stirs his heart, and he begins to spend hours in front of the mirror. Perhaps days later, Professor Dumbledore finds him there, and tells him this about the mirror:

It shows us the deepest and most desperate desires of our hearts.
Remember this, Harry: This mirror gives us neither knowledge, nor truth. Men have wasted away in front of it, even gone mad.
It does not do to dwell on dreams, Harry, and forget to live.
That is why tomorrow, it will be moved to a new home. And I must ask you not to go looking for it again.

Keep in mind that Dumbledore is talking about the Mirror of Erised. (Spell that last word backwards.)

For me, I must admit that the internet is a kind of addiction. I spend hours on it. It is my own Mirror of Erised. And I need to use it judiciously, to further my own goals, and not to get lost in my dreams.