This volume collects the complete works of Robert Leighton, one of the most influential theologians of the Scottish Presbyterian Church. Leighton's writings cover a wide range of topics, including theology, ethics, and spirituality. This comprehensive collection includes original works, sermons, and letters. It will be of interest to theologians, pastors, and anyone interested in the history of the Presbyterian Church in Scotland. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.