True. You can see the examples in basic chemistry. 'Atom' is derived from a Greek word 'Atomos'. Similarly, femur is a Latin word meaning thigh bone. This is because in the 1700s, Latin was used in Western Europe as the common language of science, and scientific names were in Latin or Greek. Key scientific figures such as Newton and Mendeleev published their papers and findings in Latin. When Swedish scientist Carl Linnaeus started to devise a system of classifying organisms, he gave different phyla and species Latin names, because Latin was such a universal scholarly language in Europe.
In a fiction or story, first person narration is the best option if the author wants to limit the perspective of the story to one character only. First person narration enables readers to gain an in depth understanding of a character, his or her motives and inner mental life.
The theme in the excerpt provided from "The Lady of Shalott" by Alfred, Lord Tennyson similar to the theme of the poem "Ulysses" is that both poems explore the idea of pursuing new experiences.