"(R)eligion must be conducive to love and unity among mankind; for if it be the cause of enmity and strife, the absence of religion is preferable.
When Moses appeared, the tribes of Israel were in a state of disunion as captives of the Pharaohs. Moses gathered them together, and the divine law established fellowship among them. They became as one people, united, consolidated, after which they were rescued from bondage. They passed into the promised land, advanced in all degrees, developed sciences and arts, progressed in material affairs, increased in divine or spiritual civilization until their nation rose to its zenith in the sovereignty of Solomon. It is evident, therefore, that religion is the cause of unity, fellowship and progress among mankind. The function of a shepherd is to gather the sheep together and not to scatter them. Then Christ appeared. He united varying and divergent creeds and warring people of His time. He brought together Greeks and Romans, reconciled Egyptians and Assyrians, Chaldeans and Phoenicians. Christ established unity and agreement among people of these hostile and warring nations. Therefore, it is again evident that the purpose of religion is peace and concord.
Likewise, Muhammad appeared at a time when the peoples and tribes of Arabia were divergent and in a state of continual warfare. They killed each other, pillaged and took captive wives and children. Muhammad united these fierce tribes, established a foundation of fellowship among them so that they gave up warring against each other absolutely and established communities. The result was that the Arabian tribes freed themselves from the Persian yoke and Roman control, established an independent sovereignty which rose to a high degree of civilization, advanced in sciences and arts, extended the Saracen dominion as far west as Spain and Andalusia and became famous throughout the world.
Therefore, it is proved once more that the religion of God is intended to be the cause of advancement and solidarity and not of enmity and dissolution. If it becomes the cause of hatred and strife, its absence is preferable. Its purpose is unity, and its foundations are one."
Abdu'l-Baha, The Promulgation of Universal Peace, p. 128 New York - 1912
