The Holy Trinity is the main church dogma of one God in three persons. God the Father is the original source of the whole divinity. God the Son is an image or Word expressing the Father. God the Holy Spirit is a bond connecting the Father and the Son. It is invisible and can only be felt like wind, which blows wherever it wills, but you do not know whence it comes or whither it goes. When the Father created the world, He created it through His Word, with His Spirit.