Psalm 15 is a didactic psalm attributed to King David whose intention is to teach the conditions for drawing closer to God. This is why the Psalm begins with these words: "Who may dwell in your sacred tent? Who may live on your holy mountain?" Psalm 15:1.
The hymn then begins by expressing who is worthy to be in the presence of God and to see, or rather to perceive with the intellect, the face of God. The Bible says that a few people achieved this, such as the prophet Moses and King David. The sacred tent in the time of Moses was where the ark of the covenant was kept, and where God was supposed to manifest his presence to Israel; that place was clearly the most sacred place of the chosen people in ancient times. And the sacred mountain was where Moses received the law from God on his journey to the promised land.
And in this way, Psalm 15 continues to describe the life in God's grace with simple words: "The one whose walk is blameless, who does what is righteous, who speaks the truth from their heart, whose tongue utters no slander, who does no wrong to a neighbor, and casts no slur on others. Psalm 15:2-3.
Psalm 15 is a psalm focused on teaching the sensible life, full of wisdom, which makes men brothers among themselves and worthy children of their creator, because God does not coexist with error, that is, a life full of sins. Because the righteous life, the life full of fear of God, has a meaning, and that meaning is to live in harmony with the ethical laws of the universe created by God from the beginning of time.
The Psalm then points out the moral and ethical conditions required by God to live in his presence. Because men have to choose between following the path of Abel, which pleased God, and the path of Cain, which God considered an abomination. There is no middle ground. The creator of all things is a wise God who judges hearts and does not take into account masks such as offerings made solely to please the religion. Psalm 15 is a call to guard our hearts, our words, and our actions because it is from these things that we find what is edifying or destructive in man.
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