The history of a man's soul, even the pettiest soul, is...

The history of a man's soul, even the pettiest soul, is hardly less interesting and useful than the history of a whole people; especially when the former is the result of the observations of a mature mind upon itself, and has been written without any egotistical desire of arousing sympathy or astonishment. Rousseau's Confessions has precisely this defect – he read it to his friends.