In this quote from "Romeo and Juliet," Juliet expresses her desire for a love that is steady and unwavering. She asks Romeo not to make promises by the moon, which is known for its changing phases. This imagery highlights her fear that if he swears by something so unreliable, then his love may also change with time, leading to uncertainty and betrayal in their relationship.

Juliet's plea underscores a central theme of the play: the search for true and lasting love. Her concern about fickleness reflects her deep yearning for a bond that remains constant despite external circumstances. This moment demonstrates the intensity of her feelings for Romeo and their desire for a genuine connection that can withstand the test of time.