My favorite Trinity passages from Scripture with emphasis:
For unto us a child is born, unto us a son is given: and the government shall be upon his shoulder: and his name shall be called Wonderful, Counsellor, The mighty God, The everlasting Father, The Prince of Peace. Isaiah 9:6
Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: - Matthew 28:19
But man is not the measure of God!
The Laws of Logic are part of the creation, not a property or restriction on the Creator of them. We must lay them aside in our meditations on the Names of God.
And again, the Law of Identity does not apply to God.
Philip saith unto him, Lord, shew us the Father, and it sufficeth us.
Jesus saith unto him, Have I been so long time with you, and yet hast thou not known me, Philip? he that hath seen me hath seen the Father; and how sayest thou [then], Shew us the Father?
Believest thou not that I am in the Father, and the Father in me? the words that I speak unto you I speak not of myself: but the Father that dwelleth in me, he doeth the works.
Believe me that I [am] in the Father, and the Father in me: or else believe me for the very works' sake. - John 14:7-11
John to the seven churches which are in Asia: Grace [be] unto you, and peace, from him which is, and which was, and which is to come; and from the seven Spirits which are before his throne; And from Jesus Christ, [who is] the faithful witness, [and] the first begotten of the dead, and the prince of the kings of the earth. Unto him that loved us, and washed us from our sins in his own blood, And hath made us kings and priests unto God and his Father; to him [be] glory and dominion for ever and ever. Amen.
Behold, he cometh with clouds; and every eye shall see him, and they [also] which pierced him: and all kindreds of the earth shall wail because of him. Even so, Amen.
I am Alpha and Omega, the beginning and the ending, saith the Lord, which is, and which was, and which is to come, the Almighty. - Revelation 1:1-8
Namely, that the Father is on the throne (Rev 4) and the Son emerges from His midst or bosom and the Spirit extends through Him into the world.