Once you get over the need to be right, as if there is some shame attached to be

Once you get over the need to be right, as if there is some shame attached to being wrong, then it is much easier to think scientifically and testimonially. So make arguments as best you can, and keep refining them. But abandon them as soon as you find it necessary. There is no shame in being wrong. There is only shame in adhering to the wrong in spite of the evidence.