How can I effectively express my opinions and perspectives?

There are times in my life when I am dealing with a confrontation, that it can be difficult to express myself.  I have so many ideas of what I want to say at the time that it can be hard.  I try to be as honest as I am able, and give my positive thoughts to others like a ray of sunshine.  Don't get me wrong. I have so many struggles, but I try and that best part...that I try.  I think a positive attitude is half of the battle with some people.  When they are negative, or condescending, I try to take the higher road and do what is right and just.  I know that I won't always have all of the right answers, but with grace and goodwill, I will be better off to effectively express myself and others will be able to know who I really am and what I stand for.