I was likewise paralyzed for an extemporaneous fraction of time, but my ready wit quickly availed me. "Lefty Locke Pitcher-Manager" by Burt L. Standish

Such are the most successful extemporaneous preachers. "Recollections and Impressions 1822-1890" by Octavius Brooks Frothingham

It may, however, be doubted whether the famous reply was in reality so entirely extemporaneous as it has usually been considered. "Project Gutenberg History of The Netherlands, 1555-1623, Complete" by John Lothrop Motley