A Small Green Pea

The same father Abba Agathon was walking with his disciples. One of them, on finding a small green pea on the road, said to the old man: "Father, may I take it?" The old man, looking at him with astonishment, replied: "Was it you that put it there?" "No," said the brother. "How then," continued the old man, "can you take up something, which you did not put down?"

How do you understand this story?

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