Islam: The Voice of Human Nature Binding : PB Maulana Wahiduddin Khan Although a building is composed of many parts, what really hold up the entire structure is its pillars. If they are strong, the whole structure will be sound. If they are weak, the entire edifice will crumble. The book stresses that those which support the edifice of Islam are of immense strength, but they must first of all be raised up by its adherents if they are to support its structure.