ultrashort SF: At the end of everything

He heard the distant repeating roar of incoming waves on the empty beach.
The sound came through the dense bushes surrounding him, lying on a bed of grass between thick branches and leaves.
His mind completely empty, there was no need to do anything ever again. It felt as if he had completed every task. So much work done, he couldn't even remember it. The most generic feeling was the most profound.

This would be the terminal goal.