When Imaam Maalik (rahimahullah) began to prepare the Muwatta, there were many other ‘Ulamaa in Madinah Munawwarah who were also preparing kitaabs of Hadith. Hence, a certain person came to Imaam Maalik (rahimahullah) and remarked, “Why have you dedicated your time and effort to preparing this kitaab when many other ‘Ulamaa have prepared similar kitaabs?”