The line expresses Robert Jordan’s belief that the world remains valuable despite the violence and injustice he has witnessed. Saying that it is “worth the fighting for” presents his commitment to the Republican cause as connected to a broader attachment to life and to the possibility of a better society. At the same time, his admission that he hates to leave the world makes clear that sacrifice does not remove his desire to live.

In For Whom the Bell Tolls, the thought comes as Jordan faces the likelihood of death after being injured. Its force lies in holding two ideas together: a willingness to act for something larger than oneself and a strong reluctance to surrender life. The passage therefore avoids treating death as inherently noble. Instead, it presents courage as compatible with fear, regret and affection for the ordinary world that may be lost.

Full quotation

“If we win here we will win everywhere. The world is a fine place and worth the fighting for and I hate very much to leave it. And you had a lot of luck, he told himself, to have had such a good life. You’ve had just as good a life as grandfather’s though not as long. You’ve had as good a life as anyone because of these last days. You do not want to complain when you have been so lucky. I wish there was some way to pass on what I’ve learned, though.”