Equivalence Class Structure

Famous quotes containing the words class and/or structure:

“Mankind divides itself into two classes,—benefactors and malefactors. The second class is vast, the first a handful.”
—Ralph Waldo Emerson (1803–1882)

“It is difficult even to choose the adjective
For this blank cold, this sadness without cause.
The great structure has become a minor house.
No turban walks across the lessened floors.
The greenhouse never so badly needed paint.”
—Wallace Stevens (1879–1955)