He has stated that the book is the greatest technological invention of all time.

This was, without a doubt, the greatest invention in history.

Both Tom's life and the world's greatest invention were his responsibility!

Intelligent Life magazine has claimed the internet is the greatest invention of all time.

"He thinks personal hygiene is the greatest invention of all time?"

Books are still man's greatest invention, despite the nonsense so often published between their covers.

They're keeping you here while they try out their latest, greatest invention.

But on a hot summer day, a swimming pool can seem like the greatest invention known to man.

"After the wheel, I think one of the greatest inventions in the world was talking therapy," she said.

I tell you, the slide rule is the greatest invention since girls.