His life among these fierce apes had been happy; for his recollection held no other life, nor did he know that there existed within the universe aught else than his little forest and the wild jungle animals with which he was familiar.
a quantity of no importance; "it looked like nothing I had ever seen before"; "reduced to nil all the work we had done"; "we racked up a pathetic goose egg"; "it was all for naught"; "I didn't hear zilch about it"