John Gill Commentary Ezra 4:3

"But Zerubbabel, and Jeshua, and the rest of the heads of fathers` [houses] of Israel, said unto them, Ye have nothing to do with us in building a house unto our God; but we ourselves together will build unto Jehovah, the God of Israel, as king Cyrus the king of Persia hath commanded us." — Ezra 4:3 (ASV)

But Zerubbabel, and Joshua, and the rest of the chief of the fathers, said to them

The prince and high priest, and chief of the people:

you have nothing to do with us to build an house to our God ;

being neither of the same nation, nor of the same religion:

but we ourselves together will build to the Lord God of Israel ;

we and we only, who are together as one man, united in one body of people, and in the same religious sentiments, being Israelites; we separately, without admitting strangers among us, will build a temple to the God of Israel:

as King Cyrus, the king of Persia, has commanded us ;

thereby letting them know that they acted by his authority, and the commission they had from him only concerned themselves, and not others.