In this treatise there is a real and admirable volume of human wisdom, which seeks to support and protect man from boredom and irritability. Among the interesting topics addressed in the study are the following: failures in life; the teacher who offers real social service; the value of friendship; property as a source of anxiety.
The dissertation On Spiritual Tranquility is a culmination of mental well-being and deep knowledge of humanity. It is a true offering to man.