Here's an idea from German-Brazilian scholar Carlos Fraenkel: “Even if the beliefs we adopt in the course of our socialisation were indubitably true, we would still greatly benefit from defending them in a debate. If a true belief is not fully, frequently and fearlessly discussed, it will be held as a dead dogma, not a living truth.” I used to be afraid of debates. They felt like annihilation. Not anymore. People see debates as something you win. So someone must lose. Fraenkel suggests: A...