Never ending

The voices are not you. They are ego. The ego wants everything to die. You can also stop the ego voices by listening intensely focused on your breath, on a bird singing, on the furnace kicking in. The voices stop when you cut yourself because now your only focused on the pain you’ve physically inflicted on your body, which brings your attention to the present moment. The voices cannot exist in the present moment. There are other ways to be in the present and rid yourself of the voices such as Hard physical exercise, focusing on your each and every breath, but it takes practice..lots of practice.