When you talk to others on any topic you must have several points in your personality, which makes you talk about your idea with others and find those who are convinced of it:
You should be knowledgeable and educated as well as have a lot of knowledge about the subject under discussion.
You should be confident in yourself and strong personal, and break the barrier of shy or fear, and do not be afraid when you are right, and do not hesitate or doubt yourself as long as you are confident of what you say ..
Submit documents and evidence to confirm the validity of what you say, and your words must be clear and distinct from others
Be polite in talking to others, and you must have the strength and art to respond quickly.
Make sure to draw a smile on your face while talking with the calm nerves, and do not show others that you are tense and angry of the debate, and focused on the person who talk because this is one of the features of self-confidence.
Do not underestimate the value of what others say or intersect in the talk, give them the opportunity to speak but be the strongest in your idea and strengthened it by mentioning examples and attitudes.
Do not use screaming and high sound but speak softly