Modern Set Theory

Famous quotes containing the words modern, set and/or theory:

“It is obvious that all sense has gone out of modern marriage: which is, however, no objection to marriage but to modernity.”
—Friedrich Nietzsche (1844–1900)

“I consider it equal injustice to set our heart against natural pleasures and to set our heart too much on them. We should neither pursue them, nor flee them; we should accept them.”
—Michel de Montaigne (1533–1592)

“The theory [before the twentieth century] ... was that all the jobs in the world belonged by right to men, and that only men were by nature entitled to wages. If a woman earned money, outside domestic service, it was because some misfortune had deprived her of masculine protection.”
—Rheta Childe Dorr (1866–1948)