Quality (philosophy)
Overview
 
A quality is an attribute or a property. Attributes are ascribable, by a subject, whereas properties are possessible. In contemporary philosophy
Philosophy
Philosophy is the study of general and fundamental problems, such as those connected with existence, knowledge, values, reason, mind, and language. Philosophy is distinguished from other ways of addressing such problems by its critical, generally systematic approach and its reliance on rational...

, the idea of qualities and especially how to distinguish certain kinds of qualities from one another remains controversial.
Aristotle
Aristotle
Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...

 analyzed qualities in his logic
Logic
In philosophy, Logic is the formal systematic study of the principles of valid inference and correct reasoning. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, semantics, and computer science...

al work, the Categories
Categories (Aristotle)
The Categories is a text from Aristotle's Organon that enumerates all the possible kinds of thing that can be the subject or the predicate of a proposition...

. To him, qualities are hylomorphically–formal attributes, such as "white" or "grammatical".
Quotations

Admiration for a quality or an art can be so strong that it deters us from striving to possess it.

Friedrich Nietzsche, Mixed Opinions and Maxims, aphorism 370, “The Danger in Admiration,” (1879).

It is the quality of the moment, not the number of days, or events, or of actors, that imports.

Ralph Waldo Emerson, Speech, January 1842, at the Masonic Temple in Boston, repr. in The Dial (1843) and Nature, Addresses, and Lectures (1849).

It’s the quality of the ordinary, the straight, the square, that accounts for the great stability and success of our nation. It’s a quality to be proud of. But it’s a quality that many people seem to have neglected.

Gerald Ford, Time Magazine|Time (January 28, 1974)

Much of what passes for quality on British television is no more than a reflection of the narrow elite which controls it and has always thought that its tastes were synonymous with quality.

Rupert Murdoch, Address, 1989, to the Edinburgh Television Festival. quoted in Guardian (London, Jan. 1, 1990).

One cannot develop taste from what is of average quality but only from the very best.

Johann Wolfgang von Goethe, Conversations with Eckermann (February 26, 1824).

One shining quality lends a lustre to another, or hides some glaring defect.

William Hazlitt, Complete Works, vol. 9, ed. P.P. Howe (1932). Characteristics, no. 162 (first published anonymously in 1823).

People of quality know everything without ever having learned anything.

Molière, Les Précieuses Ridicules, sc. 9 (1659).

So cheat your landlord if you can and must, but do not try to shortchange the Muse. It cannot be done. You can’t fake quality any more than you can fake a good meal.

William S. Burroughs, The Western Lands, ch. 2 (1987).

Social improvement is attained more readily by a concern with the quality of results than with the purity of motives.

Eric Hoffer, Reflections on the Human Condition, aph. 25 (1973).

The measure of your quality as a public person, as a citizen, is the gap between what you do and what you say.

Ramsey Clark, International Herald Tribune (Paris, June 18, 1991).

 
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