rue the day (that something happened)

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rue the day (that something happened)

To curse or bitterly regret a point in time (in which something happened or one did something). I swear to you now, you will rue the day you ever crossed me! Men, if their soldiers advance upon us, we must ensure that they will rue the day!
See also: rue, something
References in classic literature ?
But I tell him that I'll be a sharp thorn in his side for many a long day to come; and I tell you two, again, that you don't know him yet; and that you'll rue the day you took compassion on the vagabond.
Strike ends, or pit closes; either way, you'll rue the day you crossed me.
But if you get it wrong, you'll rue the day you bought before you thought.