When you take the census of the children of Israel for their number, then shall they give every man a ransom for his soul unto the LORD, when you number them; that there be no plague among them, when you number them.
All Commentaries on Exodus 30:12 Go To Exodus 30
George Leo Haydock
Sum. David perhaps neglected this injunction. (2 Kings xxiv; Josephus, Antiquities vii. 10.) Yet we do not read that Moses took the half sicle when he numbered the people, Numbers i. Whence others gather, that this sum was to be paid every year, as it was done in our Saviour's time, for the support of the temple, Matthew xvii. 23. Vespasian ordered the Jews to pay the same money for the capitol. (Josephus, Jewish Wars vii. 13.) After the captivity, the third part of a sicle was demanded, 2 Esdras x. 32. (Calmet)