what's the good of

what's the good of (doing something)

What reason is there (to do something); why should one bother (doing something)? What's the good of trying? I just don't have the brains for this class. What's the good of making your bed each morning when you're just going to mess up the sheets again at night?
See also: good, of

what's the good of

Also, what's the use of. What purpose or advantage is there in, as in What's the good of crying when you can't do anything about it? or What's the use of getting a doctorate in philosophy when you won't be able to get a job afterward? This idiom was first recorded in 1701.
See also: good, of
References in classic literature ?
And what's the good of having six legs, my dear, if you can only kick them all about in the air when you tumble?
What's the good of being in Parliament, he said, if you must pay your debts?
What's the good of a plan that ain't no more trouble than that?
What's the good of thirty millions when I ain't got room for more than a quart of cocktails a day?
I knowed we could get him drunk--he was always ready for that--but what's the good of it?
What's the good of me workin' like a slave all week, a-savin' minutes, an' them a-comin' an' ringin' in fancy- starch extras on me?
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