"There are at all times two literatures which, although scarcely known to each other, progress side by side—the one real, the other merely apparent. The former grows into literature that lasts. Pursued by people who live for science or poetry, it goes its way earnestly and quietly, but extremely slowly; and it produces in Europe scarcely a dozen works in a century, which, however, are permanent. The other literature is pursued by people who live on science or poetry; it goes at a gallop amid a great noise and shouting of those taking part, and brings yearly many thousand works into the market. But after a few years one asks, Where are they? Where is their fame, which was so great formerly? This class of literature may be distinguished as fleeting, the other as permanent." what is the purpose of the writer to use this comparison

1. Permanent literature: This type of literature is created by individuals who are genuinely passionate about science, poetry, or art. It is characterized by its timeless value, quality, and slow development.

2. Fleeting literature: This type of literature is produced by individuals who are motivated by fame, fortune, or external recognition. It is often marked by its superficiality, popularity, and rapid production.

By using this comparison, the writer aims to:

- Emphasize the importance of quality over quantity in literature

- Criticize the focus on short-term success and fame in the literary world

- Encourage writers to prioritize substance and lasting impact over fleeting popularity

- Highlight the difference between true artistic expression and superficial, commercialized writing.

The writer's message is that true literature is a slow, quiet, and earnest pursuit that yields lasting works, whereas the pursuit of fame and popularity leads to ephemeral and forgettable writing.