^Here you go:
The Holy Prophet (pbuh&hp) said:
"Fourteen thousand years before Adam, upon whom be peace, was created, I and Ali were a light in the presence of God. When God created Adam, upon whom be peace, He divided it into two parts. I am one of the parts and Ali is the other part."
Sunni Refernces:
Al Muhibb al Tabari narrates this tradition on the authority of Salman (RA) from the Prophet (pbuh&hp) in al Riyad al Nadirah, ii, 163:
*Ahmad ibn Hanbal in al Fada'il; *
*Sibt ibn al Jawzi in Tadhkirat AlÂkhawass, 46; *
Abu Hatim Muhammad ibn Idris al Razi in Zayn al Fata fi tafsir Surat Hal ata
*Abd Allah ibn Ahmad ibn Hanbal in Zawaid manaqib Amir al Muminin *
This tradition has also been narrated by also Ibn Mardawayh, Ibn Abd al Barr, al Khatib al Baghdadi, Ibn al Maghazili, al-Asimi, Shiruyah al Daylami and others from Imam Ali (AS), Salman (RA), Abu Dharr (RA), Anas ibn Malik (RA), Jabir ibn Abd Allah (RA) and other Companions.