The Shalem environment might seem foreign to Unitarian Universalists at first. This is not possible if we are always generating talk and ideas. It is hard to grow spiritually if we are never quiet. In order to have a receptive, spiritual attitude, it is important to let go of constant intellectual debate. The intellect is a tool.
Science is a tool.
Discussion is a useful activity. But entering into sabbath time, into a time of sacred rest, means letting go of these for a time. It means setting aside the active brain to some degree and listening to the heart. This can be hard for Unitarian Universalists to do, but I believe that spiritual maturity requires it. Reason is always part of the picture for us.