John Gills Exposition of the Bible Commentary - Jeremiah 17:1
The sin of Judah is written with a pen of iron ,.... Or an iron tool, such as engravers use in working on hard matter: and with the point of a diamond ; such as glaziers use in cutting their glass; though this is not the word used for a diamond in Exodus 28:18 , this word is elsewhere translated an adamant, Ezekiel 3:9 . Bothart F8 Hierozoic. par. 2. l. 6. c. 11, col. 842. of which stone, see Dioseorides, Hesychius, & Stephanus in ib. takes it to be the smiris, which... read more
Matthew Henry's Complete Commentary - Jeremiah 17:1-4
The people had asked (Jer. 16:10), What is our iniquity, and what is our sin? as if they could not be charged with any thing worth speaking of, for which God should enter into judgment with them; their challenge was answered there, but here we have a further reply to it, in which, I. The indictment is fully proved upon the prisoners, both the fact and the fault; their sin is too plain to be denied and too bad to be excused, and they have nothing to plead either in extenuation of the crime or... read more