How to return name of parameter in VBA

Does anyone have an idea how to return parameter name in VBA?

This is what I have:

Sub Main()
Dim MyString As String
MyString = "Hello World"
MsgBox MyString
End Sub

It shows only "Hello World". I would like to have it "MyString says Hello World", but dynamically, not by entering

MsgBox "MyString says " & MyString

I would prefer something like

MsgBox ParamName(MyString) & " says " & MyString

but it actually won't work... Could anyone help?