A secondary source in when you don't get the information from the person who said let's say you asked what's for lunch today and they told someone to tell you fried chicken but they told you chicken sandwich the answer can change before it gets to you.
I feel like the answer is "his mother was a Christian and his father was a pagan"
For lunch we can have either soup or sandwiches.
This line implies that humans, have been created in a sort of synthetic environment. Humans in this case, are now the most intellegent beings on the known universe, they have been monitored, similar to test subjects. These people/ this race, is more intelligent than man, and humans have been in an experiment this whole time.
Hope this helps.
The answer is onomatopoeia.
Key work; Bleated