Baghdad (c. 825) he gave to one of his works the name Al-jebr
w'al-muqabalah. The title is sometimes translated as 'restoration
and equation,' but the meaning was not clear even to the later Arab
writers." Encyclopedia Britannica, 1952, s.v. Algebra.

21 Qur'an 39:12; 13:17.

22 Rumi, The Ma_th_navi, I, 1906-1907.

23 'Ulama, from the Arabic alima, to know, may be translated learned
men, scientists, religious authorities.

24 The Resh Galuta, a prince or ruler of the exiles in Babylon, to whom
Jews, wherever they were, paid tribute.

25 A measure of weight, in Tihran equivalent to six and two-thirds
pounds.

26 Qur'an 9:33; 48:28; 61:9.

27 Qur'an 54:55.

28 Qur'an 7:171: Yawm-i-Alast, the Day when God, addressing Adam's
posterity-to-be, said to them, "Am I not your Lord?" (a-lastu bi
Rabbikum) and they replied: "Yea, we bear witness."

29 Qur'an 9:33.

30 Cf. Qur'an 27:12, referring to Moses: "Put now thy hand into thy
bosom: it shall come forth white ... one of nine signs to Pharaoh
and his people...." Also Qur'an 7:105; 20:23; 26:32; 32. Also Exodus
4:6. See too Edward Fitzgerald's The Rubaiyat of Omar Khayyam:

Now the New Year reviving old Desires,
The thoughtful Soul to Solitude retires,
Where the White Hand of Moses on the Bough
Puts out, and Jesus from the Ground suspires.

The metaphors here refer to white blossoms and the perfumes of
spring.

31 Qur'an 16:126.

32 Qur'an 24:35.

_ 33 Dh_u'l-Awtad is variously rendered by translators of the Qur'an as
The Impaler, The Contriver of the Stakes, The Lord of a Strong
Dominion, The One Surrounded by Ministers, etc. Awtad means pegs or
tent stakes. See Qur'an 38:11 and 89:9.

34 Qur'an 20:46.

35 Qur'an 33:63: "Men will ask Thee of 'the Hour.' Say: The knowledge
of it is with God alone." Cf. also 22:1, "the earthquake of the
Hour," etc. See also Matthew 24:36, 42, etc. To Baha'is, this refers
to the Advent of the Bab and Baha'u'llah.

36 Cf. the Islamic confession of faith, sometimes called the two
testimonies: "I testify that there is no God but God and Muhammad is
the Prophet of God."

37 Cf. Qur'an 27:20 ff.

38 Qur'an 12:44; 21:5.

39 Qur'an 24:39.

40 1875 A.D.

41 The foregoing paragraph, together with the later paragraph