Jesus describes the moment of his return as being similar to the flood that came unexpectedly upon the people of Noah’s day. He then goes on in Matthew 24:40-42 to say, “Then two men will be in the field; one will be taken and one left.
To say that the Bible is inerrant is to say that there are no errors or mistakes in the Bible. The doctrine of inerrancy is inseparable from the doctrine of inspiration. It’s quite simple actually. If God told Moses to write something down and God is the author, then there can be no mistake because God is perfect.