Speak softly, and people might not hear you. Sometimes, you must raise your voice to be heard. If you are direct and succinct, there is a good chance of getting your point across.
Why use a lot of words, when just a few will do? The essence of poetry is to use the right words. So it is with what is spoken: brevity is the soul of wit.
It is essential to speak clearly. Leave too much room for interpretation, and what is heard will not even resemble what was said. Still, they will hold you to their assumptions.
Often you must lift your voice over the din of the masses. They can ignore you only if you let them. A shout will be heard, while a whisper just passes by.
One need not be obnoxious to be seen. A negative reaction can be more harmful than a total lack of response. Those who wish to make a point, must have one to make.
Wisdom is lost in the clamor of the foolish. It must be loud and clear to be heard at all. You must gain their attention, before they will hear what you will say.