‘ABDU ‘LLAH IBN SA’Dعبد الله بن سعد.
One of Muhammad’s secretaries. It is related that, when Muhammad instructed ‘Abdu ‘1lah to write down the words (Surah xxiii. 1-l4), “We (God) have created man from an extract of clay then we produced it another creation;’ ‘Abdu ‘llah exclaimed, “And blessed be God, the best of creators”; and Muhammad told him to write that down also. Whereupon ‘Abdu ‘llah boasted that he had been inspired with a sentence which the Prophet had acknowledged to be part of the Qur’an. It is of him that it is written in the Qur’an, Surah vi. 93, “Who is more unjust than he who devises against God a lie, or says – ‘I am inspired,’ when he is not inspired at all.”

Based on Hughes, Dictionary of Islam