While considering the best method of detecting any fraud, he plunged into a full bathing tub; and, with the thought that the water that overflowed must be equal in weight to his body, he discovered the method of obtaining the bulk of the crown compared with an equally heavy mass of pure gold.

Excited by the discovery, he ran through the streets undressed, crying, "I have found it." Equally celebrated is his remark, "Give me where to stand and I will move the world." His only remark to the Roman soldier who entered his room while engaged in geometrical study, was, "Don't step on my circle." Refusing to follow the soldier to Marcellus, who had captured the city, he was killed on the spot.

He is said to have remarked, "My head, but not my circle." "Every great and commanding moment in the annals of the world," says Emerson, "is the triumph of some enthusiasm.

The victories of the Arabs after Mahomet, who, in a few years, from a small and mean beginning, established a larger empire than that of Rome, is an example.

They did they knew not what.