He's certainly promoting the virtue of submitting to God's will. At such moments all the things one might normally desire, power, wealth, status, seem irrelevant. What Tolkien sees as a God-given gift for creation was corrupted by Melkor in the moment that he ceased to enjoy it for its own sake and turned rather to the love of power. Secondly, Tolkien sees human creativity as part of the way we are created in the image of a creative God. He would regard it as arrogant to take all credit for one's talents on oneself.
Some artists are proud of their talent.
Some never forget the mysterious nature of inspiration, which does not come at their bidding. I don't pretend to have any answers. The Lord of the Rings is a sub-created world, according to Tolkien. This site is maintained and updated by fans of The Lord of the Rings, and is in no way affiliated with Tolkien Enterprises or the Tolkien Estate. We in no way claim the artwork displayed to be our own.