The Office of the Judge (Kitab Al-Aqdiyah)
Dawud :: Book 24 : Hadith 3592
Narrated Khuraym Ibn Fatik:
The Apostle of Allah (peace_be_upon_him) offered the morning prayer. When he finished it, he stood up and said three times: False witness has been made equivalent to attributing a partner to Allah. He then recited: "So avoid the abomination of idols and avoid speaking falsehood as people pure of faith to Allah, not associating anything with Him.