In all great leaders there is a purpose and intensity which is unmistakable.
If the 'Boosh' was a bit more of a specific thing, or less multi-limbed, we would probably have done it and moved on.
Above all be of single aim; have a legitimate and useful purpose, and devote yourself unreservedly to it.
You need a very, exceptionally clear vision. And to me, a vision is something that you can say in one sentence. The fewer the words the better.
I made a decision that I wanted to do five years of classical theatre before I did anything else, which was a very unfashionable thing to do.
One essential to success is that your desire be an all-obsessing one, your thoughts and aim be coordinated, and your energy be concentrated and applied without letup.