""A Lecture To Young Men On The Preservation Of Health And The Personal Purity Of Life"" is a book written by a graduate in 1885. This book is aimed at young men and is intended to provide them with guidance on how to maintain good health and lead a pure life. The author discusses various topics related to health, such as the importance of exercise, diet, and sleep. Additionally, the book also covers topics related to personal purity, such as the...