It is possible precisely because we are mortal men and He is Almighty God. What is sin? Sin is a crime, and crime is a breaking of the law. Now God created us, and He certainly has the right to lay down laws according to which we must conduct ourselves. If men will not obey those laws they sin against God just as those who refuse to obey the state are criminals in the eyes of state law. As a matter of fact, it would be impossible to sin against one’s fellow men if one could not sin against God. Every sin supposes the violation of the rights of another. Rights and duties go together. If I have a duty it is because another has a right. But whence come the rights of my fellow men? What is their foundation? Since man did not make himself, he certainly did not make that which is less than himself, his rights. The very foundation of these rights is God the Creator, the Author of all morality. And every sin against your fellow man is a sin against the Author of the law—Almighty God. Without God you have rights with no assignable title and no real sanction,
Radio Replies Volume 1 by Rev. Dr. Leslie Rumble MSC and Rev. Charles Mortimer Carty
The Case for Catholicism - Answers to Classic and Contemporary Protestant Objections
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