An ansaree named Abu Hamza narrated that I have heard Hazrat Zaid bin Arqam رضی اللہ عنہا saying that Hazrat Ali رضی اللہ عنہا was first to accept Islam. (Tirmazi, Ahmed, Hakim). Hazrat Ans bin Malik رضی اللہ عنہا narrated that HE ﷺ came on Monday and Hazrat Ali رضی اللہ عنہا offered Namaz on Tuesday. (Tirmazi, Hakim)

Omrozi Mari and Zaid bin Arqam narrated that Prophet ﷺ addressed on the spot of Gadeer e Kham. HE ﷺ said: “ Ali is master of one whose master is I am, O ALLAH who becomes his friend YOU become his friend and who become his hostile YOU become his hostile and who helps him YOU help him, {UNABLE TO TRANSLATE THIS LINE}. (Imam Tibrani)

Hazrat Prophet ﷺ said who loved Hassan and Hussain رضی اللہ عنہا, in reality he loved me and who had cattiness with Hassan and Hussain he has cattiness with me. (Ibne Maja, Nisai, Ahmed)