Jabir bin'Abdullah (RA) reported: I sought permission from Allah's Messenger (may peace be upoh him) to see him. He said: Who is it? I said: It is I. Thereupon Allah's Messenger (ﷺ) said: It is I. it is I (these words lead me to no conclusion).
Hadith ReferenceSahih Muslim / The Book of Manners and Etiquette / Hadith: 2155