Summary
This quote suggests that imagination can be a powerful and unpredictable force that needs to be controlled or limited in order to function effectively. It implies that, while imagination can be a valuable tool for creativity and innovation, it should also be contained within boundaries to prevent it from becoming overwhelming or unproductive. By using the metaphor of a beast in a cage, the quote underscores the idea that imagination, when left unchecked, can be untamed and difficult to manage, thus emphasizing the necessity of regulating its influence.