Notwithstanding the fact that "age is unrelated to wisdom" was a gentle contextual device used to dismiss the commenter's odd assumption about my age, a search for "age is unrelated to wisdom" turns up actual research papers.
"neither general nor personal wisdom have a positive linear relationship to age... age is not only not related to personal wisdom (as is the case for general wisdom) but even negatively related..."
"neither general nor personal wisdom have a positive linear relationship to age... age is not only not related to personal wisdom (as is the case for general wisdom) but even negatively related..."
[Mickler & Staudinger (2008), Sneed & Whitbourne (2003)]
Source: The Scientific Study of Personal Wisdom: From Contemplative Traditions to Neuroscience
http://www.amazon.com/Scientific-Study-Personal-Wisdom-Conte...