Simply by changing your habitual vocabulary, you can instantaneously change how you think, how you feel, and how you live.
Have good examples and stories to drive home your content.
Solidly know content you feel passionate about and that your audience needs to know.
Remember this: Anticipation is the ultimate power. Losers react; leaders anticipate.
Success leaves clues. Go figure out what someone who was successful did, and model it. Improve it, but learn their steps. They have knowledge.
How can you have any regret when everything worked out fine? But why I think it worked out fine is due to the lessons I learned along the way. And one of those involves listening to experts.