Psalm 99:7 in the King James Version
He spake unto them in the cloudy pillar: they kept his testimonies, and the ordinance that he gave them.
Context
6 Moses and Aaron were among his priests, Samuel was among those who call on his name. They called on the LORD, and he answered them.
7 He spoke to them in the pillar of cloud. They kept his testimonies, the statute that he gave them.
8 You answered them, LORD our God. You are a God who forgave them, although you took vengeance for their doings.