mind own business
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mind (one's) own business
To not interfere in someone else's affairs; to not pry or be nosy. Often used as an imperative. Mind your own business, will you? I can take care of my problems just fine. I really wish she would mind her own business and stop asking me about my finances. So there I was, minding my own business, when the security guard comes over and starts asking me all kinds of questions.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
mind one's own business
Fig. to attend only to the things that concern one. Leave me alone, Bill. Mind your own business. I'd be fine if John would mind his own business.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
mind one's own business, to
To refrain from meddling, to keep to one’s own affairs. The wisdom of this course of action was observed in ancient times by Plato, Seneca, and others, and even found expression in the Bible (1 Thessalonians 4:11, “Do your own business”). In plain English it was expressed from the sixteenth century on. John Clarke used it in Paroemiologia (1639): “Mind your business.” Among many later writers echoing this sentiment was Lewis Carroll, in one of his enjoyable non sequiturs (Alice’s Adventures in Wonderland, 1865), “‘If everybody minded their business,’ the Duchess said in a hoarse growl, ‘the world would go round a great deal faster than it does.’”
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer