"Shoot the sheriff in the first paragraph."Good grammar and correct spelling are important, but what is even more important is keeping the reader's attention. Try to have something interesting to say.
Ludwig Boltzmann, who spent much of his life studying statistical mechanics, died in 1906, by his own hand. Paul Ehrenfest, carrying on the work, died similarly in 1933. Now it is our turn to study statistical mechanics.An interesting introduction is possible. It may just be difficult. This makes successfully finding or inventing an interesting introduction all the more valuable.
TEACHER: Your problem is, you started your story on page 7. STUDENT: What? No I didn't — I started it on page 1. See? TEACHER: No, you started typing on page 1. You started your story on page 7.
"I made this [letter] longer only because I have not had the leisure to make it shorter."A target word-count encourages padding.