There are several means of realizing God. The path of selfless work is one among them. This book contains eight lectures delivered by Swami Vivekananda on the practical application of the teachings of Vedanta to the affairs of daily life, showing how it is possible to lead the highest life and ultimately realize the Self without abandoning the duties and vocations of one’s life in the world. It shows the readers the technique of converting the mundane activities of everyday life into a means of attaining supreme felicity.