This document provides a summary of a Masonic lecture on the study of mankind and man's advancement. It discusses how man has studied himself to understand his needs and relationships. It contrasts ancient Rome, where the state was everything and individuals had few rights, with modern governments where all people are equal under the law. It acknowledges we have progressed but still have work to do in fully embracing brotherhood. The lecture urges members to do noble acts for others and have faith in humanity's continued moral and intellectual growth.