Meanwhile, let us study things that are no more. We need to be familiar with them, if only to avoid them. The spurious things of the past assume false names and pass themselves off as the future. This spectre, the past, is liable to falsify its own passport. Let us be prepared for that pitfall. Let us be on our guard. The past has a face, superstition, and a mask, hypocrisy. Let us expose that face and tear off that mask.