From AMADEUS.

"You gave me the desire to praise You--which most do not feel--then made me mute. Grazie tanti! You put into me perception of the Incomparable--which most men never know!--then ensured that I would know myself forever mediocre. Why! What is my fault? Until this day I have pursued virtue with rigour. I have laboured long hours to relieve my fellow men. I have worked and worked the talent You allowed me. You know how hard I've worked!--solely that in the end, in the practice of the art which alone makes the world comprehensible to me, I might hear Your Voice!"-- Salieri in AMADEUS, Act I, p. 43 by: Peter Shaffer
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At my core, I don't agree with the sentiments of Salieri in this scene, but I can relate. It is the voice of of the older brother in parable of the prodigal son. At my core, I know these feelings aren't healthy. They lead to bitterness, jealousy, envy, rage and such, but I've felt them before in my life and to be honest I kind of feel that way right now.