Some important elements, which are today taken to be a long-held part of Islamic practice and belief are not mentioned in the Quran, but are reported in hadiths. Therefore, Muslims usually maintain that hadiths are a necessary requirement for the true and proper practice of Islam, as it gives Muslims the nuanced details of Islamic practice and belief in areas where the Quran is silent. An example are the obligatory prayers, which are commanded in the Quran, but explained in hadith.