a man cannot steal, but it accuseth him; a man cannot swear, but it checks him
 William Shakespeare, Richard III (1597). copy citation

add
Author William Shakespeare
Source Richard III
Topic checking steal
Date 1597
Language English
Reference
Note Written between 1591 and 1592
Weblink http://www.gutenberg.org/files/1503/1503-h/1503-h.htm

Context

“So, when he opens his purse to give us our reward, thy conscience flies out. SECOND MURDERER 'Tis no matter; let it go; there's few or none will entertain it. FIRST MURDERER What if it come to thee again? SECOND MURDERER I'll not meddle with it,—it makes a man coward; a man cannot steal, but it accuseth him; a man cannot swear, but it checks him; a man cannot lie with his neighbour's wife, but it detects him: 'tis a blushing shame-faced spirit that mutinies in a man's bosom; it fills a man full of obstacles: it made me once restore a purse of gold that by chance I found;” source