The hadith of pen and paper (Arabic: حديث القلم والورقة, romanized: hadīth al-qalam wa'l-waraqa) is an incident in which the Islamic prophet Muhammad expressed a wish to issue a written statement shortly before his death, possibly on a Thursday, but was prevented from doing so. Muhammad's intentions are debated though it is commonly believed that the statement would have formally designated his successor. Possibly because of its ramifications throughout the history of Islam, some have referred to this incident as the Calamity of Thursday (Arabic: رزية يوم الخميس, romanized: raziyat yawm al-khamīs).