Muhammad Quote

In his last testament to 'Ali (peace be upon him), the Messenger of Allah (blessings of Allah be upon him and his family) told him: "O' 'Ali! I advice you to recite the Qur'an in every state (which you may find yourself in)."

Man La Yahdhuruhul Faqih, Volume 4, Page 188 - Shi'ite Hadith