I have lived some thirty years on this planet, and I have yet to hear the first syllable of valuable or even earnest advice from my seniors.
Source: Walden, Economy, 1854.
-- Henry David Thoreau, (Jul 12 1817-1862), US essayist, poet, naturalist; He is best known for his description of life at Walden Pond, Walden, 1854 and his essay Civil Disobedience, 1849.