See Jeremiah 31:31-34 and Luke 22:14-23. This is language first used in Jeremiah's promise of rescue and renewal of the exiled people of God in Babylon. It promises a coming day when God would make a new covenant unlike the one which Israel had broken.
The Parable of the Prodigal Son (also known as the parable of the Two Brothers, Lost Son, Loving Father, or of the Forgiving Father)...
Therefore go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy...
Pastor Stuart McAlpine presents a sermon on Psalms and helps us reflect on how it encourages readers to praise God for who He is...