Air Quality Standards

Famous quotes containing the words air, quality and/or standards:

“Easily, with a few convulsive quirks, they give up their watery ghosts, like a mortal translated before his time to the thin air of heaven.”
—Henry David Thoreau (1817–1862)

“All morality depends upon our sentiments; and when any action or quality of the mind pleases us after a certain manner we say it is virtuous; and when the neglect or nonperformance of it displeases us after a like manner, we say that we lie under an obligation to perform it.”
—David Hume (1711–1776)

“Barbarism is the absence of standards to which appeal can be made.”
—José Ortega Y Gasset (1883–1955)