My dad always said you get two heats out of cutting and splitting wood. One cutting and splitting it, and two burning it.
My dad used to quote Henry Ford who once said,
‘Firewood keeps you warm twice. Once when you split it, once when you burn it.’ Very similar to what your dad said.
Just reminded me of one of Patrick McManus' hilarious early writings. He told the story of he and his friend, as young boys, chopping down an old snag for firewood and dropping it across his father's new fence. He said that particular tree provided three heatings, one considerably hotter than the others.
Cut down tree
cut into logs
stack and haul logs to place
split logs
Stack wood
Burn wood