Richard S. Storrs second lecture in the book entitled Preaching Without Notes: A Series of Lectures describes some specific conditions for success in preaching without notes. These are as follows:

  1. Physical vigor kept at its highest attainable point. – The preacher must be as healthy as possible if one is to preach effectively without notes.

The Exiled Preacher has a post up on George Whitefield and Expository Preaching. Guy Davis, the author, writes about how difficult it can be to use a manuscript effectively. Certainly many of us have left our manuscript for a second to “riff” on a theme or go down a different direction. However upon attempting to come back to our manuscript we find it difficult to find the correct place.