Anyone who says failure is not an option has also ruled out innovation.
No one ever gets talker's block. No one wakes up in the morning, discovers he has nothing to say, and sits quietly, for days or weeks, until the muse hits, until the moment is right, until all the craziness in his life has died down.
What evidence would you need to see to change your mind about this?
Being charismatic doesn't make you a leader. Being a leader makes you charismatic.
Earn trust, earn trust, earn trust. Then you can worry about the rest.
We don't need more stuff, we need more humanity.