I make it my business to extract from Nature what ever nutriment she can furnish me.... I milk the sky and the earth.
Henry David ThoreauTo the virtuous man, the universe is the only sanctum sanctorum, and the penetralia of the temple are the broad noon of his existence.
Henry David ThoreauEven the poor student studies and is taught only political economy, while that economy of living which is synonymous with philosophy is not even sincerely professed in our colleges. The consequence is, that while he is reading Adam Smith, Ricardo, and Say, he runs his father in debt irretrievably.
Henry David Thoreau