Front matter
Reading edition
BY LANCELOT HOGBEN Professor of Social Biology in the University of London The mind that needs to know all things must needs at last come to know its own limits, even its own nullity, beyond a certain point.—D. H. Lawrence LONDON KEGAN PAUL, TRENCH, TRUBNER & CO., LTD. BROADWAY HOUSE: 68–74 CARTER LANE, E.C. 1930
Made and Printed in Great Britain by Butler & Tanner Ltd., Frome and London
To BERTRAND RUSSELL