I have seen the light of Muhammad (with my mind's eye). I have seen the prophet and the messenger of God, in other words, I have understood his message or imbibed his spirit. After contemplating the glory of God, my ego was completely eliminated.

Attributed to Guru Nanak, in the Janamsakhi of Bhai Bala. As quoted in 'Guru Granth Sahib: A Model For Interfaith Understanding', translated by Dr. Kazi Nurul Islam, published in Khalsa Samachar Volume 22 Issue 43, New Delhi, August 30th, 2012 to September 5th, 2012, page. 8 Viewable here

There has been considerable discussion as regards to Bhai Bala 's existence, and the reliability of his Janamsakhi hapiographies.