So may you know that the Lord himself is God, and there is no other beside him
Other versions
King James Version
Unto thee it was shewed, that thou mightest know that the LORD he is God; there is none else beside him.English Standard Version
To you it was shown, that you might know that the LORD is God; there is no other besides him.New International Version
You were shown these things so that you might know that the LORD is God; besides him there is no other.