The author proposes in this paper some nuclear rethink budgets cristina ethics. If this be credible aims and maintain the seductive capacity of its proposal it has to be aware that some of the elements that held no longer be present. "It is credible by definition unprovable, unverifiable by conclusive evidence. Whether to recognize something as credible, the starting point is confidence in who makes the proposal, without this may void the critical and reflective ability, but rather enhanced. "For this purpose, the author seeks, through five lines of thought, the field of axiological intersection of Christian ethics with secular humanism, but without neglecting the most genuine and typical of the moral choice grounded in the words, gestures and deeds of Jesus of Nazareth.