Answer:
[Lady, you are the cruel'st she alive,
If you will lead these graces to the grave,
And leave the world no copy.]
Step-by-step explanation:
Olivia decided not to marry or to have children, for that reason, Viola makes an appeal for Olivia to end her mourning before she dies so she can marry and have children.
This piece of Shakespeare's text shows Viola's attempt to convince Olivia, blaming her in case she dies leaving no descendants in the world.