Albert Barnes Commentary Psalms 27:8

"[When thou saidst], Seek ye my face; My heart said unto thee, Thy face, Jehovah, will I seek." — Psalms 27:8 (ASV)

When you said, Seek ye my face... - Margin, “My heart said to you, Let my face seek your face.” The literal translation would be: “To You has said my heart, Seek ye my face; your face, O Lord, will I seek.” DeWette thus expresses the idea, “Of you my heart thinks (in regard to the command to seek your face), your face, Lord, I will seek.” Our translators have given the correct meaning, though the original is quite obscure.

The passage is designed to denote the state of the mind, or the disposition, in regard to the commands of God. The command or precept was to seek God. The prompt purpose of the mind or heart of the psalmist was that he would do it. He immediately complied with that command, as it was a principle of his life—one of the steady promptings of his heart—that he would do this.

The heart asked no excuse; pleaded for no delay; desired no reason for not complying with the command, but at once assented to the propriety of the law, and resolved to obey. This related undoubtedly at first to prayer, but the principle is applicable to all the commands of God. It is the prompting of a pious heart immediately and always to obey the voice of God, no matter what his command is, and no matter what sacrifice may be required in obeying it.