Equivalence Class Structure

Famous quotes containing the words class and/or structure:

“We of the sinking middle class ... may sink without further struggles into the working class where we belong, and probably when we get there it will not be so dreadful as we feared, for, after all, we have nothing to lose but our aitches.”
—George Orwell (1903–1950)

“For the structure that we raise,
Time is with materials filled;
Our to-days and yesterdays
Are the blocks with which we build.”
—Henry Wadsworth Longfellow (1809–1882)