John Gill Commentary Nehemiah 1:8

"Remember, I beseech thee, the word that thou commandedst thy servant Moses, saying, If ye trespass, I will scatter you abroad among the peoples:" — Nehemiah 1:8 (ASV)

Remember, I beseech you, the word that you commanded your
servant Moses
To publish and declare to the children of Israel, (Deuteronomy 28:64) (30:3-5) ,

saying, if you transgress ;
the law of God:

I will scatter you abroad among the nations ;
as now they had been among the Assyrians, Chaldeans, Medes, and Persians.