In energetic terms, they find that the best analogy may be a bouncing ball.

"The best analogy I have is to a racehorse," he says.

The two sides also disagreed over the best analogies for the issue.

The best analogy, though, is with the shell of a boat.

I've begun to believe that the best analogy for 2008 is 1980.

The best analogy is probably with the methods of the legal profession.

"That's the best analogy I've been able to come up with."

The best analogy I can think of is a beehive.

But it's the best simple analogy I can use to describe it.

But the best analogy may be to a body's white blood cells!