Exodus 19:8-10

New Catholic Bible

⁸ All the people answered together and said, “We will do what the Lord has said.” Then Moses returned to the Lord and told him what the people had said.

⁹ The Lord said to Moses, “Behold, I am about to approach you in a thick cloud so that the people will hear when I speak to you and always believe in you.”

¹⁰ The Lord said to Moses, “Go to the people and consecrate them today and tomorrow. Have them wash their clothes