One difference between a conviction and a prejudice is that a conviction can be explained without getting angry.
Shyness is I-ness. Shyness is really wondering if you have other people's approval.
A good rule for discussion is to use hard facts and a soft voice.
Never try to look into both eyes at the same time. Switch your gaze from one eye to the other. That signals warmth and sincerity.
Make sure you have finished speaking before your audience has finished listening.
the more thoughtful you are of others, the more thoughtful they will be of you. The more you respect them, the more you will win their respect.