About the "800-word essay on realm and boundary" as follows:

First of all, you can start with the two concepts of "realm" and "boundary" to explain their meaning and relationship. Realm refers to a person's level of thought, cultivation, character, etc., while boundary refers to the limit that a person can endure and adapt to. It can be said that the realm is internal and the boundary is external.

Next, you can illustrate these two concepts through specific examples or situations. For example, you can write about the difficulties or challenges you have encountered and how you overcame them by improving your realm and expanding your boundaries.

Then, you can further explore the interaction and interaction between realm and boundary. For example, you can write about how it would be difficult for a person to expand his boundaries if his realm is not high; conversely, if a person does not have enough boundaries, it would be difficult to truly improve his realm.

Finally, you can summarize your writing and reiterate your understanding and views on realms and boundaries. For example, you can write about how you believe that improving one's realm and expanding one's boundaries are very important for a person's growth and development. Only by constantly working hard to expand one's boundaries can one better improve one's realm.

In addition, during the writing process, you can also use some rhetorical techniques to enhance the vividness and interest of the article. For example, you can use metaphors, personification, parallelism, etc. to describe your experiences and feelings; you can use quotations, examples, etc. to introduce some interesting facts or stories to make the article more interesting.

The dynamic relationship between realm and boundary

You can further explore the dynamic relationship between realm and boundary. As a person grows and develops, his realm and boundaries will change. A person can expand his boundaries by improving his realm, and he can also improve his realm by expanding his boundaries. This dynamic relationship can trigger readers' thinking about personal growth and development.