壹快评丨北大未名湖湖水被明码标价，深层次原因值得思考

Core Viewpoint - The sale of water from Peking University's Weiming Lake has sparked significant social attention, leading to a response from university officials who emphasize the ecological value of such resources and oppose their commercialization [2][3]. Group 1: Incident Overview - Multiple merchants on online second-hand trading platforms are selling Peking University Weiming Lake water, with prices ranging from 20 yuan to nearly 100 yuan for 500 milliliters [2]. - University officials have stated that the lake and river water are valuable ecological resources and should not be exploited for illegal profit [3]. Group 2: Public Reaction and Commentary - The promotion of the lake water as having "brain-boosting" and "wisdom-enhancing" properties has drawn ridicule, with comparisons made to absurdities in cultural phenomena, such as the obsession with the walls of Nobel laureate Mo Yan's childhood home [3]. - Legal experts and commentators have discussed the implications of such sales from property rights and environmental protection perspectives [3][4]. Group 3: Broader Implications - The incident highlights a market willing to engage in such absurdities, raising concerns about the potential influence on younger generations and the concept of "intelligence tax" [5]. - Suggestions have been made for universities to open their campuses to the public, allowing for a more genuine connection with the natural resources rather than restricting access [5].