Which line from act i scene i of a midsummer night's dream expresses one of the main themes of the play? "thrice-blessed they that master so their blood," "but earthlier happy is the rose distill'd," "the course of true love never did run smooth; " "so quick bright things come to confusion."

The answer is the course of true love never did run smooth

The play is about the desire for love and how finding it is difficult. It is all bout who you love, who you should love and how other factors interfere.  Several couples and thier issues come up during the play, and it explores it all with humor and tragedy.

"The course of true love never did run smooth"

answer: gfdhfghfghfghfg

explanation:

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specific audience will understand the main ideas. for example, if you were writing an instruction manual for rocket scientists, it would likely look very different from one you would write for young children. your language, tone, and writing style would change significantly.