You may use another poet's work as a model when writing your own, but

be sure that you change the words so that they are not exactly the same
stay true to your own experience as you are writing
be sure to cite their material in your writing
all of these
none of these

" stay true to your own experiences and themes"

All, but if you use theirs, be sure to cite!

the apollo program, also known as project apollo, was the third united states human spaceflight program carried out by the national aeronautics and space administration (nasa), which succeeded in landing the first humans on the moon from 1969 to 1972.

the knight would die while giong on a quest.