Why I Am Not a Christian by Bertrand Russell
1957
Number of pages: 78
This is a famous but very controversial piece by Bertrand Russell. He examines one by one several highly regarded arguments for the existence (or necessity) of God. His main point however is the possibility of morality based on another principle than God. It is quite a challenging reading and one we must all face, regardless of our belief or lack of it, thereof.
Humanities Philosophy Ethics & Morality