Recollect that to a woman who gets her living by her pen, 'time is money,' as it is to an artist. Therefore, encroaching on her time is lessening her income. And yet how often is this done (either heedlessly or selfishly) by persons professing to be her friends, and who are habitually in the practice of interrupting her in her writing hours.
Eliza Leslie (2011). “Selections from Eliza Leslie”, p.274, U of Nebraska Press