It is possible to produce something that is grammatical either by chance or under the supervision of another. To be proficient in grammar, then, one must both produce what is grammatical and produce it grammatically, that is, in accord with knowledge of grammar in oneself.
Ernest SosaIn competitive archery, risk assessment has minimal bearing on quality of performance, since the archer has so little choice over shot selection. By contrast, in a hunt, shots vary in quality according to how well selected they may be.
Ernest SosaNormal adults can doodle, amble, and drift with no need to assess risk, since there is normally no risk at all. Jazz improvisation seems less subject to standards of risk than surgery, and less than much formal athletic performance, as in a tennis match.
Ernest SosaA hunter archer can also be out to shock by taking crazy shots. What makes his shots "crazy" is set by excessive risk, judged by hunting-archery standards, which would tend to draw agreement from knowledgeable observers.
Ernest SosaPhilosophers do need to have intuitions of various specific sorts: ethical, metaphysical, etc., depending on their targeted subject matter. And they must make intuition reports, as they record the contents of their intuitions. But they need not go into whether an intuition has been enjoyed.
Ernest Sosa