Imam ALI(ASWS) addressing his companions said:
"What do you accept, that my brother the Holy PROPHET (SAWW) said, I and my AHLULBAIT (ASWS) we were each and everyone of us One Noor (Light) that were walking in presence of ALLAH (SWT)14000 years before Adam(AS) was created and when Adam(AS) was created this light was put on his back and brought to this earth. Then this light was put in the boat through Nooh(AS) and then in the fire through Ibrahim(AS) and after that transferred on highly esteemed backs........................."
(Ref: Kitab Sulaym ibn Qays al HilaALI, Hadees 11)