Joined together, it was the mightiest force ever seen in Arabia.

The mightiest force in all the universe is the force which has neither speech nor language.

Yet now it must face the Empire-stillthe mightiest force in the Galaxy even in its death throes.

The Rose of Fire is run on a voluntary basis by the CNT union, once the mightiest force in Republican Barcelona.

There is then but one remaining bond to chain him, and that the strongest claim that anything can own-themightiest force on earth.

For the mightiest forces of nature lie in these elements, when forced into unnatural alliances, or chained up in durance vile.

Such things had happened before; such things must have happened, for the will and the love of man are the mightiest forces in creation.

There is an inability to realize the fact that one of the mightiest forces of nature is there embodied in an easy, gliding, noiseless impulse.