1. Recognizing the Ring's Danger: Gandalf, being a wise and powerful wizard, immediately recognizes the Ring as a dangerous artifact. He knows that it's not just a simple object, but a potent source of power that could corrupt even the noblest of hearts.
2. Seeking Knowledge of the Enemy: Gandalf's primary concern is the potential return of Sauron, the Dark Lord who forged the Ring. He understands that the Ring is the key to Sauron's power and that understanding its history is crucial to combating the threat he poses.
3. Preserving Hope: Gandalf's research is also fueled by a desire to find a way to defeat Sauron. He seeks to learn about the Ring's weaknesses and the possible ways to destroy it. By piecing together the Ring's story, Gandalf hopes to find a path towards restoring peace and freedom to Middle-earth.
4. A Duty to Middle-earth: As a member of the Istari, Gandalf is entrusted with the task of guiding and protecting the Free Peoples of Middle-earth. He feels a deep responsibility to understand the Ring's history and its implications for the future of the land.
5. Learning from the Past: Gandalf recognizes that the past often holds valuable lessons for the present. By understanding the Ring's history, he can gain insight into the ways in which power can corrupt and the potential consequences of its misuse.
In essence, Gandalf's quest to understand the Ring is not just about the artifact itself but about the larger battle against evil and the preservation of Middle-earth. His tireless research is a testament to his courage, wisdom, and dedication to the cause of good.