Spiritual Gift of Fear of the Lord

"What does the Lord your God ask of  you but to fear the Lord your God, to walk in obedience to him, to love him, to serve the lord your God with all your heart and with all your soul" Deuteronomy 10:12
The fear of the Lord or Serenity is define as constancy, firmness, devotion, ecuanimity, stability.
This text of the Bible is related with: "The fear of Jehovah is the beginning of the wisdom" Proverbs 1:7
The Parable of the Sower (Matthew 13, Mark 4) teaches us that the wisdom of God  bear fruits through the constancy, the firmness.
The Spiritual Gift of Serenity  means firmness and constancy in the search of the excellence, "Be perfect as your heavenly Father is perfect" Matthew 5:48
The Serenity is the base of the ethical behavior or to say we must have constancy, firmness in the search of the eternal life.
This spiritual gift is more important than Mercy, and is directly related with the Security or Confidence in God.
http://www.quintoevangelio.com.ar/en/articles/item/223-fear-of-the-lord.html