How do I combine Human and Knowledge in Doodle God?

To combine Human and Knowledge in Doodle God, you need to follow a specific sequence of steps. First, ensure you have unlocked both the Human and Knowledge elements. Human is typically created by combining Life and Clay, while Knowledge is often unlocked by combining Fire and Book or other similar combinations depending on the version of the game. Once you have both elements, simply drag the Human element and drop it onto the Knowledge element in the game interface. This combination will create the Philosopher element. The Philosopher is a key element that often leads to further discoveries in the game, particularly in categories related to wisdom, science, and advanced human concepts. If you do not yet have the Human or Knowledge elements, focus on unlocking them by experimenting with basic combinations like Life and Clay for Human, and Fire and Book for Knowledge. This process is part of the game's progression mechanics, where combining simpler elements leads to more complex ones, helping you advance through the game.