Read this passage and open each verse for the full verse feed and commentary tools.
21Thus saith Jehovah, Take heed to yourselves, and bear no burden on the sabbath day, nor bring it in by the gates of Jerusalem; 22neither carry forth a burden out of your houses on the sabbath day, neither do ye any work: but hallow ye the sabbath day, as I commanded your fathers.
Jeremiah 17:21-22 (ASV)