Phase Matching Condition

Famous quotes containing the words phase and/or condition:

“The problem of the twentieth century is the problem of the color-line—the relation of the darker to the lighter races of men in Asia and Africa, in America and the islands of the sea. It was a phase of this problem that caused the Civil War.”
—W.E.B. (William Edward Burghardt)

“It is difficult to make our material condition better by the best law, but it is easy enough to ruin it by bad laws.”
—Theodore Roosevelt (1858–1919)