He was ashamed of his own outburst.

He looked eagerly for the ax.

"Work, work! Nothing for it but work." He found the ax, and went on again.
He cut out another plank.
He stopped, and looked at it suspiciously.
There was carving again, on this plank.

The letters F.and A.appeared on it.
He put down the ax.

There were vague misgivings in him which he was not able to realize.