Ezra 6:19-21

Verse 20

The Levites were purified together - They were all ready at one time to observe the proper rites and ceremonies, and had no need of having a second passover, which was appointed by the law for those who had been accidentally defiled, or were at a distance from the tabernacle. See 2Chr 30:3.
Verse 21

And all such as had separated themselves - These were the proselytes who had embraced the Jewish religion by having mingled with the Jews in their captivity. This proves that there the poor captives had so acted according to the principles of their religion, that the heathens saw it, and walked in the light of the Lord with them. A good example is very persuasive; and particularly so when founded on pure principles.
Copyright information for Clarke