Mr Harding is back at home, because he thinks that he is sufficiently and not suitable for the position, and the fear that it will work fine. His taking the position and return to live peacefully at home park.
Mr. Harding is back at home. Because he thought he was right, so it's not suitable for the position and was afraid that it would not work well. He is taking the position and returned to live peacefully in the home garden.
You Harding back at home. Because he thought he was old and is not suitable for the position and was afraid that work well. He gave up his seat and back to live peacefully at home garden.