Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Informative as well as inspirational

Like Bible passages reading this book allows you to develop introspection and to redeem yourself before your bad thoughts manifest into bad acts. Author coveys a frightening reality that it's not enough to feign calmness to achieve calmness. Author analyzes specific dynamic mechanisms and discplines which individual can practice, act on and refrain from to achieve contentment however fleeting before one's brooding/rumination holds a grip on your personality.