Quran

• Quran 2:2: '"This is the Book about which there is no doubt, a guidance for those conscious of Allah."'
• Quran 17:88: '"Say, 'If mankind and the jinn gathered in order to produce the like of this Qur'an, they could not produce the like of it, even if they were to each other assistants.'"'
• Quran 2:23: '"And if you are in doubt about what We have revealed to Our servant, then produce a surah the like thereof and call upon your witnesses other than Allah, if you should be truthful."'