P.D. Ouspensky
Author: P.D. Ouspensky
Publisher: Vintage (1971)

We have many pictures of ourselves, we must see them, one after another, and then compare them. But we cannot say at the first glance which is right. It can only be verified by repeated experience. This is what, in the first group in St Petersburg, was called taking mental snapshots of oneself in preparation for seeing oneself.