What goes around comes around

There was a poor Scottish farmer. One day, while trying to eke out a living for his family, he heard a cry for help coming from a nearby bog. He dropped his tools and ran. There, mired to his waist in mud, was a terrified boy, screaming and struggling to free himself. Farmer Fleming saved the lad from what could have been a slow and terrifying death.

The next day, a fancy carriage pulled up to the Scotsman's farm, and an elegantly dressed nobleman stepped out and introduced himself as the father of the boy Farmer Fleming had saved.

"I want to repay you," said the nobleman. "You saved my son's life."

"No, I can't accept payment for what I did," the Scottish farmer said, and at that moment, the farmer's own son came to the door.

"Is that your son?" the nobleman asked.

"Yes," said the farmer.

"I'll make you a deal. Let me take him and give him a good education. If the lad is anything like his father, he'll grow to be a man you can be proud of."

And that he did. In time, Farmer Fleming's son graduated from St. Mary's Hospital Medical School in London, and went on to become Sir Alexander Fleming, the discoverer of penicillin.

Years afterward, the nobleman's son was stricken with pneumonia, and penicillin saved his life. The name of the nobleman? Lord Randolph Churchill, His son? Winston Churchill.