There comes a point in your life when no matter what the outcome, you have to take a stand. It could be something really stupid or something you feel strongly about. However, if you truly believe deep down in your gut that you are right, then speak.
Speaking is the simplest thing you can do. Now I say this in a sense of taking your time. We are not talking shouting and getting angry, we are talking a calm conversation. now if your emotions get the best of you (which lets face it, happens to everyone), try and remember the real issue at hand. remember why you are talking.
And please forgive my grammar errors.