Exodus 19

The Israelites camp near Mount Sinai, and YHWH proposes a covenant with them; after they agree to obey, they consecrate themselves for two days.[1] On the morning of Pentecost, thunder, lightning, and fire descend upon the mountain as YHWH prepares to speak.[1][3]

Interlinear Text

And He said YHWH to Moses Behold I am coming to you in the cloud of the cloud in order that may hear the people when I speak with you and also in you they may believe forever And he told Moses the words of the people to YHWH