You must not carry a load out of your houses or do any work on the Sabbath day, but you must keep the Sabbath day holy, just as I commanded your forefathers.
We stated in our last lecture why the Prophet so severely reproved the Jews for neglecting an external rite. It seems indeed a thing in itself of small moment to rest on one day; and God by Isaiah clearly declares, (Isaiah 1:13,) that he cares not for that external worship, for hypocrites think they have done all their duty when they rest on the seventh...
These verses are a sermon concerning sabbath-sanctification. It is a word which the prophet received from the Lord, and was ordered to deliver in the most solemn and public manner to the people; for they were sent not only to reprove sin, and to press obedience, in general, but they must descend to particulars.
Commenting on Jeremiah 17:19-27
Neither carry forth a burden out of your houses on the sabbath day,.... Not of dirt and soil only, as some restrain the sense; but of any ware or merchandise, in order to be sold in the city or elsewhere: neither do ye any work; any servile work, any kind of manufacture, either within doors or without; or exercise any kind of trade, or barter...