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)

“‘Tis too plain that with the material power the moral progress has not kept pace. It appears that we have not made a judicious investment. Works and days were offered us, and we took works.”
—Ralph Waldo Emerson (1803–1882)