تعریف و معنای "[stretch] {one's} arm no further than {one's} [sleeve] (will reach|)"

What is the origin of the idiom "stretch one's arm no further than one's sleeve " and when to use it?

The origin of the idiom "stretch one's arm no further than one's sleeve " is not clear, but it likely developed from the idea of being cautious and not overreaching or attempting more than one can handle. This phrase is used to advise someone not to take on more tasks, responsibilities, or commitments than they can manage effectively.