It will end because the price of oil goes so high that people invent alternatives.

For example, people have invented new ways to make clocks over history.

It was an era where people invented things out of their head.

"Don't you find that only a people whose imagination is frozen could invent such a system?"

"In fact, when the Church wouldn't provide enough superstition, people went out and invented their own."

Let a man live an unusual life, and there's no limit to what people invent about him.

But you can see in all of this that Bush and his people have invented everything.

He called me every day with fantastic things that people were inventing all over the world.

Knowledgeable books tell what people have found out and invented.

"Ever notice how in times of trouble, people invent reasons for it?"