You also cannot run VBScript from VB or VBA, other than invoking it as a separate process. VBA is not an "embedding of VBScript". VB/VBA is compiled to an intermediate representation called P-code, they aren't scripts in the sense of being executed from a textual representation.
> JavaScript-like scripting language implemented entirely in VBA. Zero COM dependencies. Native Office object model integration with runtime monkey patching capabilities.
That's bananas!
The specific feature being referred-to by the current title ("Monkey Patching in VBA") is functionality to allow you to override or add additional methods to the stock Office COM objects in this ASF scripting language. That's wild.
The extensibility of the Office object model using VBA is powerful and horrifying.