it goes to show

go to show

To prove, demonstrate, or indicate that something is true. Used especially in the phrase "just goes to show." Their success just goes to show that you can't underestimate the power of good marketing. My grandfather's pocket watch still runs perfectly after all these years, which goes to show the level of craftsmanship put into it.
See also: go, show

it (only/just) goes to show (you)

Something proves, demonstrates, or indicates that something else is true. A: "I can't believe that start-up has been so successful." B: "It just goes to show that you can't underestimate the power of good marketing." My grandfather's pocket watch still runs perfectly after all these years. It goes to show you the level of craftsmanship put into it.
See also: goes, show
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

it (just/only) goes to ˈshow (that...)

used to say that something is an example of a general truth or principle: He had all his money stolen? It just goes to show you should always lock your desk.
See also: goes, show
Farlex Partner Idioms Dictionary © Farlex 2017
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In some ways it goes to show that a lot of them were no different than any other bands.
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