All praise is due to Allah, and may He grant peace and blessings upon His Last Messenger Muhammad (salAllahu ‘alayhi wa sallam).This is a translation one of the smaller publications from the words of Shaykh Al-Islam Taqiuddin Ahmad bin ‘Abdul-Halim Ibn Taymiyyah. It has been published in this form a 
variety of times with a number of minor additions to the text under the title, “HaqiqatusSiyam,” or “The Nature of Fasting.”