"It seems to me," Spock said, "that the dream of unlimited energy for your people is not small."

Of those materials that remain solid, we have unlimited solar energy available to help us break them down into more usable form.

They can and will rat out a barn in a matter of hours, with seemingly unlimited energy.

Jack is a smart, eager kid with a great imagination and unlimited energy.

They said their simple apparatus offered the prospect of virtually unlimited, inexpensive energy.

But we don't have unlimited energy in these runabouts.

Eventually, we'll make our materials the way nature does in the stars, with unlimited energy as a by-product.

Here is what you do if you have unlimited energy and plenty of time.

With unlimited energy, all the Spheres could have been maintained at the highest level of civilization.