A light cannot be religious if it is not dim. Religion belongs to the twilight of our thoughts, just as business of all kinds to their full daylight.
 Samuel Butler, The Note-Books of Samuel Butler (1912). copy citation

Context

“With the Church of Rome, I understand that those whose piety is sufficiently approved are told they may consider themselves as a finished article and that, except on some few rare festivals, they need no longer keep on going to church and confessing. The picture is completed and may be framed, glazed and hung up. The Dim Religious Light A light cannot be religious if it is not dim. Religion belongs to the twilight of our thoughts, just as business of all kinds to their full daylight. So a picture which may be impressive while seen in a dark light will not hold its own in a bright one. The Greeks and Romans did not enquire into the evidences on which their belief that Minerva sprang full-armed from the brain of Jupiter was based.” source