The Man and the Serpent[Aesop's Fables]

A Countryman's son by accident trod upon a Serpent's tail, which
turned and bit him so that he died. The father in a rage got his axe, and
pursuing the Serpent, cut off part of its tail. So the Serpent in revenge
began stinging several of the Farmer's cattle and caused him severe loss.
Well, the Farmer thought it best to make it up with the Serpent, and
brought food and honey to the mouth of its lair, and said to it: "Let's forget
and forgive; perhaps you were right to punish my son, and take vengeance
on my cattle, but surely I was right in trying to revenge him; now that we
are both satisfied why should not we be friends again?"
"No, no," said the Serpent; "take away your gifts; you can never forget
the death of your son, nor I the loss of my tail."
Injuries may be forgiven, but not forgotten.