Embodiments include method, systems and computer program products for exploring a topic through controlled navigation of a knowledge graph. Aspects include receiving, from a user of a user device, a topic; obtaining a knowledge graph based upon the topic, wherein the knowledge graph comprises a plurality of topic nodes, wherein each of the topic nodes comprises a weight; receiving a total time period for review of the topic; generating a candidate path through the knowledge graph, wherein the candidate path comprises a current topic node and a next topic node selected from the plurality of topic nodes; generating a time period for each of the plurality of topic nodes along the candidate path based upon the weight of the topic node and the total time period; and presenting the next topic node along the candidate path after an expiration of the time period associated with the current topic node.