This is one of the most ancient and beautiful blessings in Judaism, given by the priests (Kohanim) to the people.
It expresses a divine wish for protection, favor, grace, and peace.
Each line builds on the previous one, starting with blessing and guarding, moving to divine favor and kindness, and culminating in the gift of peace, both inner and outer.
Spiritually, it represents God’s continuous care and presence over the individual.