Famous quotes containing the words receptors and/or couple:
“Our talk of external things, our very notion of things, is just a conceptual apparatus that helps us to foresee and control the triggerings of our sensory receptors in the light of previous triggering of our sensory receptors.”
—Willard Van Orman Quine (b. 1908)
“Men commonly couple with their idea of marriage a slight degree at least of sensuality; but every lover, the world over, believes in its inconceivable purity.”
—Henry David Thoreau (1817–1862)