Malik ibn Anas reported:

Malik ibn Anas reported: It reached him that the Messenger of Allah, peace and blessings be upon him, said, “I have left among you two matters which will never lead you astray as long as you hold to them: the Book of Allah and the tradition of His Prophet.”

[Muwatta, Number 1661, Hasan]

عَنْ مَالِك أَنَّهُ بَلَغَهُ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ تَرَكْتُ فِيكُمْ أَمْرَيْنِ لَنْ تَضِلُّوا مَا تَمَسَّكْتُمْ بِهِمَا كِتَابَ اللَّهِ وَسُنَّةَ نَبِيِّهِ

1661 موطأ مالك كتاب الجامع باب القدر خلق آدم ثم مسح ظهره بيمينه فاستخرج منه ذرية