Guru Nanak began to tell everyone "There is no Hindu and there is no Muslim." A Muslim leader wanted to know what he meant, so he invited Guru Nanak to do an evening prayer with him. Guru Nanak just stood there during the prayer instead of bowing. Afterward the man tried to confront Guru Nanak on his disrespectful behavior. Guru Nanak's mind didn't change, though maybe his did. read more