The Bible says otherwise. In Deuteronomy, the Bible uses a word for ONE OF UNITY and NOT a one of absolute singularity to describe the oneness of God.
Deut 6:4 (AKJV/PCE)
(6:4) Hear, O Israel: The LORD our God [is] one LORD:
H259 אֶחָד 'echad (ech-awd') adj.
1. (properly) united, i.e. one.
2. (as an ordinal) first.
[a numeral from H258]
KJV: a, alike, alone, altogether, and, any(-thing), apiece, a certain, (dai-)ly, each (one), + eleven, every, few, first, + highway, a man, once, one, only, other, some, together.
Root(s): H258
Same word is used here:
Gen 2:24 (AKJV/PCE)
(2:24) Therefore shall a man leave his father and his mother, and shall cleave unto his wife: and they shall be one flesh.
Gen 3:22 (AKJV/PCE)
(3:22) ¶ And the LORD God said, Behold, the man is become as one of us, to know good and evil: and now, lest he put forth his hand, and take also of the tree of life, and eat, and live for ever: