From a Farmer's Son to a Man of Power in the Imperial Examination

He is the son of an extremely poor peasant, with only four walls and a complicated family. Gu Yan didn't believe in fate - maltose, picking herbs, and improving tofu. He used modern knowledge to pry open the first copper plate. Is repair too expensive? Then earn it yourself. Is the imperial examination too difficult? Then study management to prepare for the exam. From a bowl of sugar water to an inkstone, every step he takes is paving a different path for the children of poor families.