go to show

go to show (something)

if an event or situation goes to show something, it proves that it is true (never in continuous tenses; usually + that ) There are more women in parliament now than ever before. It just goes to show that things are changing. (often + question word) The painting was gone for a week before anyone noticed, which only goes to show how unobservant people are.
See also: show

go to show

Help to indicate or serve as evidence. For example, His research goes to show that the medication is ineffective. This term was first recorded in 1842.
See also: show
References in classic literature ?
It is now a well-established fact that glaciers move; I consider that my observations go to show, with equal conclusiveness, that a hog in a spring does not move.
If this flawed scheme becomes law, it will just go to show that Los Angeles needs a leash law for government.
HTT is delivering on its capacity and its latest sales figures go to show the strength of HTT.
Their exhibits were meant to spark ideas--which is why people go to shows in the first place.