Dalam Quran dikatakan bahwa muhammad adalah buta huruf bersedudukan pada ayat Quran dibawah ini:
YUSUFALI: "Those who follow the messenger, the unlettered Prophet, whom they find mentioned in their own (scriptures),- in the law and the Gospel;- for he commands them what is just and forbids them what is evil; he allows them as lawful what is good (and pure) and prohibits them from what is bad (and impure); He releases them from their heavy burdens and from the yokes that are upon them. So it is those who believe in him, honour him, help him, and follow the light which is sent down with him,- it is they who will prosper."
TETAPI BERKONTRADIKSI DENGAN AYAT QURAN<>
YUSUFALI: He Who taught (the use of) the pen,-
YUSUFALI: Nun. By the Pen and the (Record) which (men) write,-
Add saya (dalam tarjamah quran malaysia dan indonesia apabila anda tak jeli membaca quran maka akan terdapat ayat sisipan yakni "kalam" padahal jelas2 tertulis yakni "pen")
Buchari, Volumn 001, Book 003, Hadith Number 065.
Narated By Anas bin Malik : Once the Prophet wrote a letter or had an idea of writing a letter. The Prophet was told that they (rulers) would not read letters unless they were sealed. So the Prophet got a silver ring made with "Muhammad Allah's Apostle" engraved on it. As if I were just observing its white glitter in the hand of the Prophet.
BUKHARI, Volume 4, Book 52, Number 191:
Narrated Abdullah bin Abbas:
Allah's Apostle wrote to Caesar and invited him to Islam and sent him his letter with Dihya Al-Kalbi whom Allah's Apostle ordered to hand it over to the Governor of Busra who would forward it to Caesar.
ABU DAWUD, Book 41, Number 5117:
Narrated Abdullah ibn Abbas:
The Prophet (peace_be_upon_him) wrote a letter to Heraclius: "From Muhammad, the Apostle of Allah, to Hiraql (Heraclius), Chief of the Byzantines. Peace be to those who follow the guidance." Ibn Yahya reported on the authority of Ibn Abbas that AbuSufyan said to him: We then came to see Hiraql (Heraclius) who seated us before him. He then called for the letter from the Apostle of Allah (peace_be_upon_him). Its contents were: "In the name of Allah, the Compassionate, the Merciful, from Muhammad the Apostle of Allah, to Hiraql, chief of Byzantines. Peace be to those who follow the guidance.
Sunan At Tirmidzi
Chapter 011, Hadith Number 004 (085).
Anas radiallahu anhu relates: "When Rasulullah sallallahu alayhe wasallam intended to write letters to the kings of 'Ajam (non arabs), inviting them to Islam, the people said that they did not accept letters without a seal (stamp) on them. Rasulullah sallallahu alayhe wasallam therefore had a ring made, the whiteness of which is still before my eyes."
Chapter 011, Hadith Number 006 (087).
Anas Radiyallahu relates that: Rasulullah sallallahu alayhi wasallam made an intention to write letters to Kisra, Qaysur (Ceasar) and Najashi, inviting them to accept Islaam. The people said: '(O Rasulullah) those people do not accept letters without a stamp on it'. For this reason Rasulullah Sallallahu Alayhi Wasallam had a stamp made. The ring (loop) of which was silver, and had 'Muhammad Rasulullah' engraved on it".
Buchari, Book 019, Hadith Number 4382
It has been narrated on the authority of Anas that the Prophet of Allah (may peace be upon him) wrote to Chosroes (King of Persia), Caesar (Emperor of Rome), Negus (King of Abyssinia) and every (other) despot inviting them to Allah, the Exalted. And this Negus was not the one for whom the Messenger of Allah (may peace be upon him) had said the funeral prayers.
BUKHARI, Volume 1, Book 3, Number 114:
Narrated 'Ubaidullah bin 'Abdullah:
Ibn 'Abbas said, "When the ailment of the Prophet became worse, he said, 'Bring for me (writing) paper and I will write for you a statement after which you will not go astray.'
BUKHARI, Volume 4, Book 52, Number 189:
When the Prophet intended to write a letter to the ruler of the Byzantines, he was told that those people did not read any letter unless it was stamped with a seal. So, the Prophet got a silver ring-- as if I were just looking at its white glitter on his hand ---- and stamped on it the expression "Muhammad, Apostle of Allah".
BUKHARI, Volume 4, Book 53, Number 393:
Narrated Said bin Jubair:
that he heard Ibn 'Abbas saying, "Thursday! And you know not what Thursday is? After that Ibn 'Abbas wept till the stones on the ground were soaked with his tears. On that I asked Ibn 'Abbas, "What is (about) Thursday?" He said, "When the condition (i.e. health) of Allah's Apostle deteriorated, he said, 'Bring me a bone of scapula, so that I may write something for you after which you will never go astray.
Tabari IX:174 "The Messenger's pain became so severe he said, ‘Give me pen and paper so I may write a document for you so you will never go astray after me.'"
Tabari IX:175 "Bring me a tablet, or a plank of the shoulder blade and an inkpot, so that I can write for you a document, after which you will not go astray.' Some said, ‘The Messenger of Allah is out of his mind."
Yazid ibn Abdullah, yang meriwayatkan, "Kami berada di Mirbad. Datanglah seorang dengan rambut terurai dan memegang selembar kulit merah ditangannya. … ………………Kami kemudian bertanya: Siapa menuliskan dokumen ini untuk mu ? Ia menjawab: Rasulullah (saw)." (Sunan Abu-Dawud Book 19, Number 2993)
Ibn 'Abbas mengatakan , "Pada saat penyakit Rasul semakin parah, ia mengatakan, 'Bawakan saya kertas (tulis) dan saya akan MENULIS pernyataan sehingga kau tidak akan lengah.' (Bukhari 1.3.114)