In the novel “Far from the Maddening Crowd,” Hardy reveals the great and enduring drama of relationships between a man and a woman. At one time, the vivid, complicated story of an independent and proud love triangle—centered on Bathsheba, who inherited a farm in the wilds of Northern England, the peasant Gabriel Oak, and a “stranger from city civilization,” Sergeant Troy—became a real literary scandal. What’s interesting is that Hardy’s novel is still considered scandalous and violating the “foundations of the foundations” of modern society. So how did Hardy manage to touch the strings of readers’ souls across three centuries?…