Lead
Lead is a chemical element in the carbon group with symbol Pb (from Latin: plumbum) and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed to air. Lead has a shiny chrome-silver luster when it is melted into a liquid.
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Famous quotes containing the word lead:
“Only by obedience to his genius; only by the freest activity in the way constitutional to him, does an angel seem to arise before a man, and lead him by the hand out of all the wards of the prison.”
—Ralph Waldo Emerson (1803–1882)
“I wander on, and wave my hands,
And sing, and shake my heavy locks.
The grey wolf knows me; by one ear
I lead along the woodland deer;
The hares run by me growing bold.”
—William Butler Yeats (1865–1939)
“A point has been reached where the peoples of the Americas must take cognizance of growing ill-will, of marked trends toward aggression, of increasing armaments, of shortening tempers—a situation which has in it many of the elements that lead to the tragedy of general war.... Peace is threatened by those who seek selfish power.”
—Franklin D. Roosevelt (1882–1945)