Many religions have similar moral values, such as teaching honesty, helping people in need, respecting others, controlling oneself, and avoiding actions that harm others. These similarities are quite easy to find when we compare various religious traditions. Maybe that's why we often hear the assumption that all religions basically teach goodness.
However, if we look deeper, this does not mean that all religions have the same teachings in every respect. Each has a concept about God, life after death, worship, sin, salvation, morality, and various life issues. Even within one religion there can be differences in interpretation regarding certain issues.
I think it's more accurate to say that many religions have a number of overlapping moral values than to say they all teach exactly the same thing. We can acknowledge similarities without erasing differences in beliefs that are important for each adherent. In fact, understanding similarities and differences simultaneously can help people dialogue without having to sacrifice their own religious identity.
