Ibn Sina (Avicenna)**

The Brotherhood of Religions and the Dignity of the Human Being**

Ibn Sina is widely known for his role as a natural scientist and physician. Yet before all that, he may be regarded as one of the greatest exponents of theology in Islam—among those who presented God to humanity in terms of justice, love, and mercy. He is also the originator of the doctrine known as the “Proof of the Truthful” for demonstrating the existence of God.

Ibn Sina (370–427 AH / 980–1037 CE) was born in what is now Uzbekistan and moved across the major centers of the Islamic world, including Nishapur, Isfahan, Bukhara, and Hamadan. Fortune smiled upon him early: as a young and ambitious physician, he succeeded—at the age of eighteen—in curing the Samanid prince Nuh ibn Mansur. As a result, he was appointed court physician and gained extraordinary access to knowledge and intellectual resources. He advanced rapidly in rank until he became a vizier under the Samanids. However, after the fall of the Samanid state, he faced persecution and was forced to flee multiple times during the Ghaznavid period.

Leaving aside his political and medical career, Ibn Sina wrote in theology with remarkable precision, as one deeply aware of God, insightful into divine decree, and profoundly reverent of divine majesty. He grounded his theological vision in the principles of the brotherhood of religions and the dignity of the human being. He viewed the human being as a sacred soul—“a noble dove descended to you from the highest realm, dignified and protected”—a soul that bears within it a trace of God, an imprint of God, and a secret of God. Thus, honoring every human soul and respecting all religions is, in his view, an act of obedience to God and reverence for His creation and command.

In his interpretation of the soul, Ibn Sina emphasized the sanctity of the human self as a divine spirit within the human being. Respecting the self is, therefore, a form of respecting God. This soul refines and elevates itself through the teachings of the prophets, the guidance of religions, and the light of philosophy.

As for his response to the troubling question raised by scriptural descriptions of the afterlife—such as punishment, vengeance, hellfire, and other severe images—he held that such texts belong to the category of allegorical expressions. They are recited but are not to be taken in their literal sense; rather, they are metaphorical. The foundational principle remains God’s justice, mercy, and forgiveness, along with His commands of pardon and benevolence. Resurrection, in his view, pertains to the souls in a manner known fully only to God, while scriptural language brings meanings closer to human understanding through figurative expression.

In fact, Ibn Sina’s position—shared and further developed by later philosophers—regarding divine justice and the necessity of interpreting any text that appears to imply injustice away from its literal meaning is a broader philosophical approach found across Islamic and other religious traditions. This approach evolved significantly during the Enlightenment, when the philosopher Leibniz developed it into a comprehensive doctrine known as “Theodicy,” which became a central framework for addressing the problem of evil and apparent contradictions in both this world and the hereafter, while affirming the necessity of absolving the Creator from any attribution of evil.

Within Islamic thought, this approach appeared in a particularly clear form among the Mu‘tazila, who firmly upheld the principles of divine unity and justice.

Although Ibn Sina did not write explicitly on the “brotherhood of religions,” his position is evident from his sanctification of the human soul and his view that it carries a trace of the divine, deserving of immortality and destined for felicity in proximity to God. This, in his perspective, applies universally to people of all religions.

One may also trace the roots of this consciousness to early Islamic ascetics. Abu Sulayman al-Darani said: “There are servants of God whom neither the hope of Paradise nor the fear of Hell distracts from God.” Al-Fudayl ibn ‘Iyad said: “I would be ashamed before my Lord to worship Him out of fear of His fire.” Rabi‘a al-‘Adawiyya said: “Some worship Him out of fear of His fire—that is the worship of slaves. Some worship Him in hope of His Paradise—that is the worship of merchants. And some worship Him because He is God—that is the worship of the free.” Ibrahim ibn Adham said: “O God, You know that Paradise does not weigh with me even the wing of a mosquito if You grant me intimacy with Your remembrance, provide me with Your love, and make obedience easy for me.”