The collection of Forty Hadith by al-Imam al-
Nawawi (or Imam Nawawi) has been known,
accepted and appreciated by Muslim scholars
for the last seven centuries.
Its significance lay in the fact that these
selected forty hadiths to comprise the main
essential and fundamental concepts of Islam
which, in turn, construct the minimum level of
required revealed knowledge for every single
Muslim. Since having good knowledge of the
various fundamental aspects of the religion is
key to a Muslim's practice and application of
Islam.