Gospel ministry always involves two audiences - those who believe and those who do not. Some of those in the unbelief camp act out in envy, particularly those who are of an already established religious persuasion. We should expect as much given that the word of God teaches this. Nevertheless we are to declare truths such as the resurrection of Christ, and also root all of our declarations in the world of God. In gospel ministry, we are not sharing our novel opinions, but the truth of a risen successful savior.