English Translation
A good head and a good heart are always a formidable combination. But when you add to that a literate tongue or pen, then you have something very special.
I don’t think this sentence is helpful. uma pena cultas translates literally to a cultured feather. Feather, as in a quill is used as a pen. Without being a native speaker I think that this is an alternative literary or historical way to express a pen or caneta. I will not do this exercise again