On Colours of Ageing:
“This book is a testimony of the wisdom and humanity of the author, who has brought memories of a time, scientific facts and sunny optimism about ageing.” Professor Norman Sartorius, Former Director of Mental Health, World Health Organisation
“Professor Kua has given us a poetic and profound work. A scientific memoir written in his characteristic literary style that brings a new vision of ageing.” Professor Helen Herrman, President, World Psychiatric Association
“An excellent and thoughtful book that is full of Asian wisdom and new knowledge on ageing.” Emeritus Professor Naotaka Shinfuku, Founding President, Asian Federation of Psychiatric Associations