This angered him, and he grabbed me suddenly and threw me on my back.

Of course we fought, and in the end I chased him up a tree, where he secured a long branch and poked me every time I tried to get at him.
And the idea had gone glimmering.

I did not know, and he had forgotten.
But the next morning it awoke in him again.

Perhaps it was the homing instinct in him asserting itself that made the idea persist.

At any rate it was there, and clearer than before.