By Fr John Breck, May 1, 2010 Archimandrite Placide Deseille is Higoumen of the Monastery of Saint Anthony the Great, St.-Laurent-en-Royans, France, and professor at the St. Sergius Theological Institute in Paris. The following thoughts are adapted from a talk he gave at a local parish on 6 March 2008, originally published by the Service Orthodoxe de Presse (SOP), supplement no. 327, April 2008. The expressions “Prayer of the Heart” and “Prayer of Jesus” or