The word ahad in the original Hebrew of the text does in fact mean one entity.
The word ahad in the original Hebrew of the text does in fact mean one entity. Just as the English word `one', it only rarely refers to a unity of several entities, and when it does so it is immediately apparent from the context. The following text shows clearly that there is no room for division in our love for God. It must be wholly directed to the one true God. Deuteronomy 32:39*.
`See now that I, even I, am he, and there is no god with me.' This text is an important one in the Torah or books of Moses, because it claims to be the very words of God Himself. He states clearly here that by the nature of reality and definition, not merely because of divine jealousy, there is not nor can there be any associate with God. He alone is uniquely God Almighty. Nehemiah 9:6.
'Thou, even thou, art Lord alone; thou hast made heaven, the heaven of heavens, with all their host, the earth, and all things that are therein, the seas, and all that is therein, and thou preserve them all; and the host of heaven worshiped thee.' The word 'thou' in the archaic English is a singular. In contrast to the word `you', it can refer to one person only. It never refers to three persons. It is an accurate reflection of the original Hebrew text.
The word `alone' shows clearly that only the one being of God is included. The final phrase shows clearly that the Bible concept is one of a universal God, not merely a tribal god of the Hebrews competing with many other tribal gods. Psalm 18:31. `For who is God save the Lord? or who is a rock save our God?' Here intensive affirmation is expressed in the Hebrew interrogative. The meaning is that no other being is God except the one person called YHWH or Lord in the text.
The first part of the text defines who in fact is God. The second part says that only God is a rock. The Hebrew language abounds in double meanings based on metaphor. The rock expresses safe refuge. Only God is a secure refuge in trouble, the one to whom we can turn in perfect confidence. Psalm 86:10. `For thou art great, and does wondrous things: thou art God alone.' The greatness of God and the wonderful character of His actions are taken here as evidence that He alone is God.
This is an attempt to show that the unity of God is evident in the reality that we perceive and is the only logical conclusion to which we can come. This verse takes a different position from that seen earlier. No longer are we constrained to understand that the unity of God is revealed knowledge.