The Trinitarian Solomon exclaimed in Prov. 22:20, "Have I not written to you excellent things in counsels and knowledge?" These English words "excellent things" translate the original Hebrew shalishom (meaning "thrice" or "in a threefold way"; cf. the B.C. 270 Septuagint translation's trissoos). Also Eccl. 4:12 adds that "the three-fold cord" (Hebrew ha-me-shalash and the LXX's to en-tri-ton) "is hard to break." So: "Fear the Triune God (Ha-'Elohiym), and keep His Commandments; for this is the whole duty of man! For the Triune God (Ha-'Elohiym) shall bring every work into judgment!" Eccl. 12:13f.
Both pan-culturally and also eschatologically (Rev. 22:1-17), the pure river of water of life "keeps on proceeding from the throne of God and of the Lamb…. Blessed are they that keep on doing His Commandments, so that they may have right to the tree of life…. I Jesus…am the Root…. And the Spirit and the bride keep on saying: 'Let him who is thirsty, come!'"
GOD TRIUNE IN THE BEGINNING — AND FOR THE 21ST CENTURY
God the Father created all things — and gave man His Law, in order that he should keep it. God the Son redeemed all things — and donated the human reward He received for His Own perfect keeping of God's Law as the Son of man, to those for whom He died and rose again and now rules from Heaven. And God the Holy Spirit writes that Decalogical Law once again in their hearts.
The Spirit Himself wrote His Law in the heart of man before the fall. He Himself is the very own indwelling Engine and Engineer, Who now gives His adopted children the desire and ability to walk in that Law — as their very own way of expressing their gratitude to the Triune God for so great a salvation freely given them by the Father through the Lord Jesus. Precisely the desire to keep God's Law is the mark of a Spirit-filled and Spirit-driven child of God!
So all praise to God, the uni-plural 'Elohiym! Everything is from Him, through Him, and unto Him. He created all; and for His pleasure they are; and were created. Gen. 1:1f ; Matt. 28:19; Rom. 11:36; II Cor. 13:14; Rev. 1:4-6 & 4:11 etc.