The God of Israel spoke; the Rock of Israel said to me, ‘He who rules the people with justice, who rules in the fear of God,
The God of Israel said,.... To David, or by him; he who was the covenant God of Israel literally considered, and is the covenant God and Father of the whole spiritual Israel, and who is owned, believed in, and worshipped by them: the Rock of Israel spake to me; the same with the God of Israel in other words, who is the strength and security...
The Rock of Israel - The Fountain whence Israel was derived. He that ruleth over men must be just - More literally, מושל באדם צדיק moshel baadam tsaddik, He that ruleth in man is the just one; or, The just one is the ruler among men.
2Sa 22:3 3 The God of Israel saith, The Rock of Israel speaketh to me: A Ruler over men, just, A Ruler in the fear of God. 4 And as light of the morning, when the sun rises, As morning without clouds: From shining out of rain (springeth) green out of the earth. 5 For is not my house thus with God?