In the Twelfth Night, who states, "Blame not this haste of mine. If you mean well, / Now go with me and with this holy man / Into the chantry by...." and what is being asked?
The quote "Blame not this haste of mine. If you mean well, / Now go with me and with this holy man / Into the chantry by..." is spoken by Sebastian in Act 4, Scene 3 of Twelfth Night. In this scene, Sebastian is urging Olivia to come with him and marry him with the help of a priest.
As for what is being asked, Sebastian is asking Olivia to trust and accompany him with the holy man into the chantry, which is a small chapel or side room in a church where marriages are conducted. He is asking Olivia to marry him promptly, expressing the urgency of his request and stating that she shouldn't blame him for being in a hurry.