And my friends, what we have done reflects a simple but a very profound idea - an idea as powerful as any in human history.

But I have not heard a single original or profound idea out of Clinton.

"Today's times cry out for the kind of profound ideas that need an entire volume to explore," he said.

But like most profound ideas, they are only obvious after someone thought of them.

You want me to pat you on the head and tell you how impressed I am with your profound ideas?

This experience may be the most profound idea at the show.

"It's one of the most profound ideas of economics," he said.

Cal Morgan is a great, great editor whose contributions range from colorful words to profound ideas.

It wasn't a profound idea, maybe, but it was worth exploring.