A good head and good heart are always a formidable combination. But when you add to that a literate tongue or pen, then you have something very special.

The saying links three kinds of power: intellect (“a good head”), moral character and empathy (“a good heart”), and the ability to communicate (“a literate tongue or pen”). Mandela’s point is that intelligence and virtue already make a person influential, but literacy and eloquence amplify that influence by turning private conviction into public persuasion—through speech, writing, organizing, and argument. In a political struggle, the capacity to articulate ideas clearly can mobilize others, challenge propaganda, and preserve a record for history. The quote also implies an ethical responsibility: rhetorical skill is “special” when it serves humane ends, not merely personal advancement.