Those who are serious about religion should think that the one they’ve chosen is acceptable to God and Jesus. Otherwise, why would they be involved in it?
Jesus Christ didn’t agree with the view that there are many religions, many roads, all leading to salvation. Rather, he said: “Narrow is the gate and cramped the road leading off into life, and few are the ones finding it.” (Matthew 7:14) Jehovah’s Witnesses believe that they’ve found that road. Otherwise, they’d look for another religion.