Abrahamic religions "Abrahamic traditions" has been challenged. In 2012, Alan L. Berger, Professor of Judaic Studies at Florida Atlantic University, in his Preface to "Trialogue and Terror: Judaism, Christianity, and Islam after 9/11" wrote that there are "commonalities", but "there are essential differences between the Abrahamic traditions" both "historical and theological". Although "Judaism birthed both Christianity and Islam", the "three monotheistic faiths went their separate ways". The three faiths "understand the role of Abraham" in "differing ways", and the relationships between Judaism and Christianity and between Judaism and Islam are "uneven". Also, the three traditions are "demographically unbalanced and ideologically diverse". Also
Christianity and other religions Jews, Muslims, Sikhs, agnostics, atheists, not for the purpose of converting them to your beliefs but for friendship, understanding, listening, hearing.' His remarks were greeted with applause, not with silence as the order of the service instructed." A special case is the issue of Christian–Jewish reconciliation, in which significant reconciliation has been reached. Christian converts have often carried some of their previous customs to their new faith. This on occasion has led to syncretisms, that are often not accepted by mainstream Christians: Christianity and other religions Christianity and other religions documents Christianity's relationship with other world religions, and the differences