Traveling Through Dayu's Flood Control and Leading Human Civilization Forward

I traveled through time with the entire university library and became an inconspicuous wizard beside Dayu. While other tribes were still using tortoise shells for divination, I introduced the Farming Manual and the Water Conservancy Engineering Standards. On the day when Dayu succeeded in controlling the floods, it was not him whom all the people knelt down to worship, but the holy mountain of knowledge behind me.