R. Akiva says: One may not keep uncircumcised men-servants. If so, what is the intent of "and there be refreshed the son of your maid-servant and the stranger"? To teach that if his master acquired him on Sabbath eve before it got dark and he had no chance to circumcise him before the onset of the Sabbath — in such an instance, "and there be refreshed the son of your maid-servant and the stranger."...