he didn't get where he was solely on his own.
Well, he didn't say that. He said god didn't give him his musical ability. through some genetic luck or some event that may have inspired him, he was drawn to music, and he worked hard and became good. I don't see why he shouldn't be proud that he worked hard for his ability.
nature is random, there's no such thing as "gifts"
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http://i.imgur.com/zQvYH.png
http://i.imgur.com/oRr9G.png