The wisdom of mankind is exhausting. - Wang Shouben The wisdom of mankind is exhausting. - Wang Shouben The wisdom of mankind is exhausting. - Wang Shouben The wisdom of mankind is exhausting. - Wang Shouben The wisdom of mankind is exhausting. - Wang Shouben The wisdom of mankind is exhausting. - Wang Shouben The wisdom of mankind is exhausting. - Wang Shouben The wisdom of mankind is exhausting. - Wang Shouben The wisdom of mankind is exhausting. - Wang Shouben The wisdom of mankind is exhausting. - Wang Shouben The wisdom of mankind is exhausting. - Wang Shouben The wisdom of mankind is exhausting. - Wang Shouben The wisdom of mankind is exhausting. - Wang Shouben