The historic religions are ambivalent in their respect for life, and ambiguous about survival versus broader moral instincts, says a leading commentator.
The UN High Commissioner for Human Rights has condemned recent attacks on religious groups in various countries and urged an end to discrimination against minorities.
Tributes are being paid to the late Sunni Muslim cleric Sheikh Mohammed Sayyid Tantawi, who advanced inter-faith dialogue and challenged those who kill in the name or religion.
"Violence ... has no place in Islamic teaching", says a leading Muslim scholar in an extended religiously-based argument directed at those who justify terror in the name of faith.
Lutheran leaders in the United States have joined other church chiefs in condemning the killing of abortion doctor George Tiller in the lobby of Reformation Lutheran Church in Wichita, Kansas, where he served and worshipped.
As he heads to what could be a sea of controversy in Israel-Palestine, Pope Benedict XVI's Middle East trip has been marked by a strong message of reconciliation and affirmation of hard-pressed historic Christian communities in the region.
Taking the ancient religious law of proportionate response ("an eye for an eye") as an injunction for modern revenge and preemptive attack is a recipe for disaster, says Martin Marty.
Indian Prime Minister Dr Manmohan Singh observed that "Christianity is part of our national heritage" when general secretary of the World Council of Churches Dr Samuel Kobia called on him on at his residence in New Delhi.
The World Council of Churches' (WCC) general secretary, the Rev Dr Samuel Kobia has said that "one of the greatest problems facing the world today is religious extremism" - and that all faiths must be fully engaged in tackling it.