The phrase "same gospel" means that two or more people are sharing or believing in the exact same teachings or ideas about religion or faith. Full definition
On April 8, 2013, the Little Sisters responded to the «Notice of Proposed Rulemaking» from the Department of Health and Human Services by stating that «the federal government should not force us to counteract through the health benefits for our employees the very same Gospel of Life that we attempt to live out in communion and solidarity with the needy elderly.» (firstthings.com)
He is very actively supporting his own gospel, the very same gospel that the Jews forced the Romans to capture Jesus Christ and cruicified him on the cross. (religion.blogs.cnn.com)