To my dearest student Twilight Sparkle,
I learned a few lessons today. First no matter how old you are something can always surprise you. Second I was reminded how something as simple as making time for what's important to you can really be. I often wonder how many meetings I would have had to cancel to stop Luna's decent. Third that the pain of some memories never fades, but neither does the joy of the good ones. Finally that your friend Fluttershy is far more amazing then I could have dreamed. You painted her as a young mare of compassion and grace, and gave a hint of her strength of character, but clearly you undersold the true extent. She is more exceptional than I dared to hope.
Now I wonder if they all are. I have known you were something very special since the moment I met you, but clearly I have not considered your friends enough. For this I apologize. They are good ponies each amazing in their own way, but perhaps I have missed something important. That is the final lesson, never stop looking Twilight. I forgot this and nearly missed something amazing.
Princess Celestia, Steward of the Sun
P.S. There is a not so little matter I've been reminded of and I think I should talk it over with all six of you soon. Half of your friends being in Canterlot thanks to Luna is good timing. I'll send you a letter with details later.