"And this is a Book We have revealed, blessed," meaning: the Qur'an, "confirming that which was before it" of the Torah and the Gospel.
"And that you may warn the Mother of Cities [Makkah]," meaning: that you may warn the people of Makkah, "and those around it," meaning: the rest of the earth.
"And they are those who maintain their prayers." Qatadah said: They maintain their ablution, their appointed times, their bowing, and their prostrating.
Surat al-An'am from verse (93) to verse (94).