To greet each other with a holy kiss is mystical, it’s not a physical kiss. Our expression of love towards each other and showing our love to God is by keeping His commandments. By teaching other, the commandments, we are greeting each other with a holy kiss. An unholy kiss would be poisonous (as Jesus said beware of the venom of the Pharisees).
By clothing ourselves with the fear of the Lord it will clothe us with a righteous desire and will be armoring to protect us from every evil inclination. We are able to easily walk out the commandments if we have it in our mind that they can be kept by us. If we neglect them we will not be saved.
Righteousness comes from walking the commandments in the Spirit. Examples of how Enoch, Abraham and Noah were all righteous men before Moses received the Torah on Mount Sinai. The righteousness of the Torah was written in their hearts. The Ten Commandments is the means by which we become the friends of Yah. There is no other way to come into the glory of God outside of the preparation for that life with the commandments. By receiving the power of liberty we will be tested at a higher level to see if we revere, love, and fear the Lord.
Immortality comes through obedience to the commandments of Yahweh. The first set of commandments the Israelites disobeyed, and their hearts went back to Egypt, so he gave them according to their heart the burden of the letter to discipline them to salvation. Salvation comes from the obedience of the commandments.
The Decalogue, or the Ten Commandments, have a lot more depth and meaning than just a list of do’s and don’ts. They are said to contain the images of heaven and earth, and contain the power of the universe since they were written by the finger of God, which is the power of creation. The ten commandments are given to teach us how to have dominion over our carnal nature.