Abstemius's Fables (Sir Roger L'Estrange)
255. (Abstemius 1) A Mouse in a Chest.
A Mouse that was bred in a Chest, and had liv'd all her Days there upon what the Dame of the House laid up in't, happen'd one time to drop out over the Side, and to stumble upon a very delicious Morsel, as she was hunting up and down to find her way in again. She had no sooner the Taste of it in her Mouth, but she brake out into Exclamations, what a Fool she had been thus long, to persuade herself that there was no Happiness in the World but in that Box.
A contented Mind and a good Conscience will make a Body happy where-ever he is.
Fables of Aesop and Other Eminent Mythologists: Abstemius's Fables by Sir Roger L'Estrange. Available online at Google Books.