THE PRINCIPLES

OF

PSYCHOLOGY·

BY

WILLIAM JAMES

PROFESSOR OF PSYCHOLOGY IN HARVARD UNIVERSITY

IN TWO VOLUMES

VOL. I

Οὐ πολλὰ

ἀλλὰ πολύ

NEW YORK

HENRY HOLT AND COMPANY

Copyright, 1890

BY

HENRY HOLT & CO.

Copyright, 1918

BY

ALICE H. JAMES

1

TO

MY DEAR FRIEND

FRANÇOIS PILLON.

AS A TOKEN OF AFFECTION,

AND AN ACKNOWLEDGMENT OF WHAT I OWE

TO THE

CRITIQUE PHILOSOPHIQUE.