Key Sources
A quick reference guide to key sources of Christianity and Islam.
Tawhid - Descriptions of Allah
Allah is formless and cannot be seen
Vision comprehendeth Him not, but He comprehendeth (all) vision. He is the Subtile, the Aware.
Allah is a monad
Say: He is Allah, the One! Allah, the eternally Besought of all! He begetteth not nor was begotten. And there is none comparable unto Him.
One God, with one person, who is eternally unapproachable.
Allah has no partner (and to suggest otherwise is unforgivable)
Lo! Allah forgiveth not that a partner should be ascribed unto Him. He forgiveth (all) save that to whom He will. Whoso ascribeth partners to Allah, he hath indeed invented a tremendous sin.
Allah is the originator of both good and evil
Wheresoever ye may be, death will overtake you, even though ye were in lofty towers. Yet if a happy thing befalleth them they say: This is from Allah; and if an evil thing befalleth them they say: This is of thy doing (O Muhammad). Say (unto them): All is from Allah. What is amiss with these people that they come not nigh to understand a happening?
Allah determines all that is good, or evil
Thy Lord bringeth to pass what He willeth and chooseth. They have never any choice. Glorified be Allah and Exalted above all that they associate (with Him)!
The Qur'an affirms the Holy Spirit
When Allah saith: O Jesus, son of Mary! Remember My favour unto thee and unto thy mother; how I strengthened thee with the holy Spirit, so that thou spakest unto mankind in the cradle as in maturity; and how I taught thee the Scripture and Wisdom and the Torah and the Gospel; and how thou didst shape of clay as it were the likeness of a bird by My permission,...
Muslims are encouraged to believe in the Holy Spirit, but it is not clear what they understand this Holy Spirit to be, if not divine.