Ulangan 4:35

4:35 You have been taught that the Lord alone is God – there is no other besides him.

Ulangan 18:21

18:21 Now if you say to yourselves, ¹  ‘How can we tell that a message is not from the Lord?’ ²  –

[18:21]  ¹ tn Heb “in your heart.”

[18:21]  ² tn Heb “know the word which the Lord has not spoken.” The issue here is not understanding the meaning of the message, but distinguishing a genuine prophetic word from a false one.