I agree with your statement that God doesn't give us possessions. I think we shouldn't feel guilty about the things we are able to earn or buy, though, and we should use them for the best things we can. My Disciple study group just finished an overview of Luke and we discussed the parable of the “shrewd manager” for a long time. Jesus said the manager was praised by the boss who fired him because he had made good and clever use of the things he has. Jesus didn't say anything about the possessions being “from God.” Instead, we hear, “I tell you, use worldly wealth to gain friends for yourselves, so that when it is gone, you will be welcomed into eternal dwellings (Luke 1:9).”