Key Material

Famous quotes containing the words key and/or material:

“Every revolution was first a thought in one man’s mind, and when the same thought occurs in another man, it is the key to that era.”
—Ralph Waldo Emerson (1803–1882)

“Any so-called material thing that you want is merely a symbol: you want it not for itself, but because it will content your spirit for the moment.”
—Mark Twain [Samuel Langhorne Clemens] (1835–1910)