The book is an analysis of spiritual problems in the light of modern science, presented in a simple and concise manner. Beginning with the eternal question of 'Who am I?' he goes on with 'What am I?' and then talks on life and death, on mind and matters, the purpose of life etc.
The book projects the author's analysis of various spiritual topics. He talks of man's position in this word and how he can lead a sensible life. He talks of the immortal soul, of dukha and its remedies, and other such topics.