THE TWO FRONTIERS
A STUDY IN HISTORICAL PSYCHOLOGY
JOHN GOULD FLETCHER
PUBLISHED IN NEW YORK BY COWARD-McCANN, INC. IN THE YEAR 1930
COPYRIGHT, 1930, BY COWARD-McCANN, INC.
_Printed in the U.S.A._
_To_ ELIE FAURE
BOOK I _Only strong personalities can endure history; the weak are crushed beneath it._
NIETZSCHE.