To control nervous gestures, you have to add more by moving from your core–not just your arms. Allow your full energy to flow through your entire body - it will make you appear calm and collected on the outside, regardless of what you’re feeling on the inside.
5 ways you can hide your nerves when giving a speech
To find inspiration is important to have an active imagination, and that needs to be exercised. Turn on your imagination by doing creative things. Do things that encourage people to find inspiration through the use of “out of the box” thinking. When you support this kind of thinking by not criticizing it, new inspiration will really start to flow.
Successful people keep moving; they make mistakes but don't quit. Learn to use failure as a stepping stone away from the past. You don't forget your mistake, but you don't dwell on it or let it get you down. Get up and keep moving.
4 Impressive Ways Great Leaders Handle Their Mistakes