"He is powerful and actively at work in the world."

He is more powerful at night and cannot withstand daylight.

So simple and so powerful all at the same time.

The family was the most powerful in Sardinia at the time.

"It's dealing with unions that remain very powerful at the company and within the industry."

America's economic force was powerful at the end of the century due to America being by far the largest economy in the world.

Many centuries ago it was not very powerful at all.

Sleep, so powerful at his age, overcame him for about an hour.

Johnson's article was very powerful and yet, at the same time, troubling.

The effect was especially powerful on Monday night at his fall 2007 collection show.