When you're asked to give a speech, are you convinced the audience is there to judge you and find you wanting? Are you sure you'll forget something important, say something bass-ackwards, turn red from embarrassment, speak too fast or too slow, or generally show that you're totally lacking in confidence or competence? Do you endure hot flashes, cold sweats, upset stomachs, the shakes, and can't wait to get it over with?
Flash! You don't have to go through all that! The audience is not licking its lips gleefully to see you make fool of yourself. On the contrary, the audience is rooting for you.