Final answer:
The subject of the question is religion. The question is referencing a quote from the Bible, specifically from the book of Mark, where Jesus instructs his disciples to go into all the world and preach the gospel to every creature.
Step-by-step explanation:
The subject of the question is religion. The question is referencing a quote from the Bible, specifically from the book of Mark, where Jesus instructs his disciples to go into all the world and preach the gospel to every creature. This quote is often referred to as the Great Commission and is a key teaching in Christianity.