Deep within the human soul lies a thirst, an unquenchable yearning that no worldly provision or mirage can satisfy-an aspiration to transcend the mundane and to build a life that is not merely lived, but lived worthily. This authentic, sought-after reality, for which the spirit strives, is none other than ethics. This work is not a theological polemic, but a sincere dialogue and a shared journey into the heart of these two oceans of spirituality. Our intent is not to proceed through the lens of later commentaries and exegeses, but to return directly to the pristine wellsprings of revelation-the Qur'an and Hadith on one hand, and the Old and New Testaments on the other-to demonstrate how the lights of a single truth have shone upon the human soul from two different windows. This research is an invitation to all seekers of truth, to mutual understanding, empathy, and to finding that common luminous thread that can guide our actions and form the basis of a universal ethic.