Bujeir well knew that his brother's life was in danger, and warned him accordingly, advising him at the same time to renounce his errors, and come repentant to the Prophet, or to seek a safe asylum far away. Ka'b found out that his life would really soon be taken, and set out secretly for Madinah. There he found an old friend, claimed his protection, and went with him next morning to the simple meeting-house where Muhammad and his chief followers performed their daily devotions. When the service was ended, Ka'b approached Muhammad, and the two sat down together. Ka'b placed his own right hand in that of the Prophet, whom he addressed in these words: 'Apostle of God, were I to bring to you Ka'b, the son of Zoheir, penitent and professing the faith of Islam, wouldst thou receive and accept him? The Prophet answered, 'I would.' 'Then,' said the poet, 'I am he!'

Hearing this, the bystanders demanded permission to put him to death. Muhammad ordered his zealous followers to desist, and the poet then, on the spur of the moment, recited a poem improvised at the time, probably with more or less premeditation. It is said that when Ka'b reached the fifty-first verse: 'Verily the Apostle of God is a light from which illumination is sought—a drawn Indian blade, one of the swords of God,' Muhammad took from his own shoulders the mantle he wore, and threw it over the shoulders of the poet as an honour and as a mark of protection. Hence the name given to the effusion, 'The Poem of the Mantle,' A.D. 630.

Moawia, the first Khalif of the Omaiyides, endeavoured to purchase this sacred mantle from Ka'b for ten thousand pieces of silver, but the offer was refused. Later on it was, however, bought from Ka'b's heirs for twenty thousand pieces of silver, and it passed into the hands of the Khalifs, and was preserved by them as one of the regalia of the empire until Baghdad was sacked by the Mughals. The mantle, or what is supposed to be the self-same mantle, is now in the treasury[2] of the Sultan Khalif of the Ottomans at Constantinople, in an apartment named 'The Room of the Sacred Mantle,' in which this robe is religiously preserved, together with a few other relics of the great prophet.

[Footnote 2: Apropos of this treasury, it is much to be regretted that a complete catalogue of its contents has never been prepared along with a brief historical account of them. It is difficult to obtain the order, which comes direct from the Sultan, to visit the collection; and even then visitors are hurried through at such a pace that it is impossible to examine with minuteness the many curiosities collected there.]

Ka'b has thus come to be considered as one of the friendly poets, and the names of two others are also mentioned, viz., Abd-Allah bin Rewaha and Hassan bin Thabit. On the other hand, the most celebrated antagonists who attacked Muhammad, not only with their verses, but also with their swords, were Abu Sofyan, Amr bin Al-'A'asi, and Abd-Allah bin Zobeir. These three became great political characters, but later on made profession of Islam, and were the staunchest supporters of it, rendering the greatest services to the Prophet during his life, and to the cause after his death. But Muhammad's greatest triumph over the poets was the conversion of Labid, who, after the perusal of the commencement of the second Surah of the Koran, tore down his own poem, which was hung up in the Kaabah, and ran to the Prophet to announce his conversion, and to make his profession of Islam. Even Ali, the cousin, son-in-law, and first convert of Muhammad, was a poet, but it is uncertain which of the Diwans attributed to him are genuine, and how many of his maxims of wisdom, over a hundred in number, are his own.

During the period under review the number of Arabic authors was legion. Some idea of the number of writers, and of the subjects on which they wrote, can be gathered from the Fihrist of An-Nadim, from Ibn Khallikan's Biographical Dictionary, and from Haji Khalfa's Encyclopædia. With such a mass of information as is contained in the above-mentioned works, it is difficult to deal in a small work. To put them together in an intelligible form, the idea of classing the authors, according to the subjects on which they principally wrote, naturally presented itself. This plan, therefore, has been followed, and a few details of the most celebrated writers will be given, classified under the following heads:

Jurisconsults.
Imams and lawyers.
Traditionists.
Alchemists.
Astronomers.
Grammarians.
Geographers and travellers.
Historians.
Lexicographers, biographers and encyclopædists.
Writers on natural history.
Philologists.
Philosophers.
Physicians.
Poets.
Collectors and editors of poems.
Translators.
The Omaiyide Khalifs.
The Abbaside Khalifs.
The Spanish Khalifs.

During the latter part of the first century of the Hijrah (July, 622—July, 719), the first persons of note in the Muhammadan world after Muhammad and his immediate successors were probably the seven jurisconsults, viz., Obaid Allah, Orwa, Kasim, Said, Sulaiman, Abu Bakr and Kharija, who all lived at Madinah about the same time; and it was from them, according to Ibn Khallikan, that the science of law and legal decisions spread over the world. They were designated by the appellation of the Seven Jurisconsults, because the right of giving decisions on points of law had passed to them from the companions of Muhammad, and they became publicly known as Muftis. These seven alone were acknowledged as competent to give Fatmas, or legal decisions. They died respectively A.D. 720, 712, 719, 710, 725, 712 and 718.

The jurisconsults were followed by the doctors of theology and law, or, as they were styled, Imams, or founders of the four orthodox sects. Now, among the Sunni Muslims an Imam may be described as a high-priest, or head, or chief in religious matters, whether he be the head of all Muhammadans—as the Khalifah—or the priest of a mosque, or the leader in the prayers of a congregation. This title, however, is given by the Shias only to the immediate descendants of Ali, the son-in-law of the Prophet, and they are twelve in number, Ali being the first. The last of them, Imam Mahdi, is supposed to be concealed (not dead), and the title which belongs to him cannot, they conceive, be given to another.

But among the Sunnis it is a dogma that there must always be a visible Imam or father of the Church. The title is given by them to the four learned doctors who were the exponents of their faith, viz., Imams Hanifa, Malik, Shafai and Hanbal. Of these, Imam Hanifa, the founder of the first of the four chief sects of the Sunnis, died A.D. 767. He was followed by Imam Malik, Imam Shafai, and Imam Hanbal, the founders of the other three sects, who died A.D. 795, 820 and 855 respectively. From these four persons are derived the various codes of Muhammadan jurisprudence. They have always been considered as the fundamental pillars of the orthodox law, and have been esteemed by Mussulmans as highly as the fathers of the Church—Gregory, Augustine, Jerome and Chrysostom—have been appreciated by Christians.