Answer:
This is very self explanatory, if you read and comprehend the question. One passage speaks negatively about ghosts and the other does not. All my misery vanished is a direct expression that some ghosts are friendly.
Explanation:
"All my misery vanished--for a child might know that no harm could come with that benignant countenance."
"I sat down and fell into a dreamy contemplation of that great footprint in the ashes.