Great people have great egos; maybe that's what makes them great.
The more strikingly visual your presentation is, the more people will remember it. And more importantly, they will remember you.
Have you noticed that the cleverest people at school are often not the ones who succeed in life?
Do not covet your ideas.
The world is what YOU think of it, so think of it DIFFERENTLY and your life will change.
Be your own worst critic. When things go wrong it's tempting to shift the blame. Don't. Accept responsibility. People will appreciate it, and you will find out what you're capable of.