American atheist and orator Robert G. Ingersoll's essays and works are collected in "The Works of Robert G. Ingersoll, Vol. 4" from the 19th century. The book discusses a wide range of topics, including politics, science, literature, and religion. Ingersoll's critique of religion and his advocacy for free thought and reason serve as a significant topic throughout the whole book. According to him, religion is founded on blind faith rather than logic or evidence, and this is the root of many global issues. Ingersoll supports a society based on reason and science as opposed to religious doctrine. In addition to criticizing religion, Ingersoll also discusses the role of government, women's rights, and the death penalty. No of their gender, ethnicity, or level of money, he works for everyone's freedom and equal rights. The whole book is written in an elegant, humorous, and logical style by Ingersoll. His lectures and publications were highly received in his day, and today's scholars and readers continue to value and explore them.