Haggai
Haggai 2:13ESV·traditional attribution

Then Haggai said, “If someone who is unclean by contact with a dead body touches any of these, does it become unclean?” The priests answered and said, “It does become unclean.”

Matthew Henry Presbyterian @wholebiblehenry

This sermon was preached two months after that in the former part of the chapter. The priests and Levites preached constantly, but the prophets preached occasionally; both were good and needful. We have need to be taught our duty in season and out of season.

Commenting on Haggai 2:10-19

John Gill Reformed Baptist @doctorgill

Then answered Haggai, and said,.... To the priests, and before the people; and made an application of these things to them, which was the thing in view in putting the questions: So is this people, and so is this nation before me, saith the Lord; not only those people that were present and at work at the temple, but those that were absent, even the...

Jamieson-Fausset-Brown Reformed @jfbcommentary

On the other hand, a legally "unclean" person imparts his uncleanness to any thing, whereas a legally holy thing cannot confer its sanctity on an "unclean" person (Num 19:11, Num 19:13, Num 19:22). Legal sanctity is not so readily communicated as legal impurity. So the paths to sin are manifold: the paths to holiness one, and that one of difficult access [GROTIUS].