"You may detect souls, Katherine, I cannot say they will have a literal voice..." he tried not to chuckle at her sweet idea. As if Abigail Hobbs, with the blood on her hands, could ever be part of the Mind Stone's power. "You will find a part of yourself in there, is my meaning. A part you didn't know was missing until it was already inside that stone. It will tear you apart to read your mortal self and find your partner inside itself. It will not stop or relent."