PRINCIPAL OF THE UNIVERSITY OF ABERDEEN AUTHOR OF 'LIFE: IS IT worth livinG?' 'THE EXPANSION OF THE WILLIAM BLACKWOOD AND SONS EDINBURGH AND LONDON MCMII All Rights reserved PREFACE. THIS Volume contains six lectures which, in accordance with the requirements of the Baird Trust, were delivered in Glasgow, in the early months of last year. The lectures, however, are not reproduced in lecture form. They have been divided into chapters; and, in carrying out this division, some rearrangements and modifications of the original plan have been made necessary. In chapters xiii. and xv., the author has inserted parts of the course that he had designed, which, for want of time, he was obliged to omit from the lectures. The chief interest of the present day is a social interest. Over questions relating to the furtherance of wellbeing, and to the improvement of the conditions of life, the most active and influential thought is exercised. Thus, with regard to the arts and the sciences, it is felt that, whilst know b |