Directives From the Guardian
Page 76
 

202: TEACHING (Study Early History and Principles of the Faith)
 
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"I wish to urge the necessity of concentrating at your next summer session, on the systematic study of the early history and principles of the Faith, on public speaking, and on a thorough discussion, both formally and informally, of various aspects of the Cause. These I regard as essential preliminaries to a future intensive campaign of teaching in which the rising generation must engage, if the spread of the Cause is to be assured in that land."