"The dove is a symbol of spiritual simplicity, malice, moral purity, humility. 

"Dove" is also a symbol of moral, spiritual openness, directness, not bifurcation in one's thoughts and actions.

"The dove is also a symbol of peace, of the harmony of man's will with the Will of God, with himself, with his own conscience. 

"The dove is a spiritually-exalted state of mind, soul and body of man, who in his life embodies the Holy Spirit of the Will of God.

 "The dove of God" is one of the symbols of "Israel", the "Church" of God, i.e. spiritual unity, the Assembly of the Righteous, all true followers of Jesus Christ and doers of the Will of God, whose character is characterized by a "heavenly" flight of spiritually-exalted thought, the ability to rise above the vanity of earthly life, as well as meekness, simplicity, goodwill.