We live in a world of conformity.
It's as if we've been stamped out by a machine and can't see beyond our current horizon. (How sad!)
If life has taught me anything, it's for living, and that doesn't mean risking all but neither does it mean hoping for something to come along to make life worth living for.
We don't need a hero or god to awaken our full genius.
We just need to square up to our fears, particularly the insidious inner critic who always shows up just as we've got to the point of commitment.
Whether the quote can be rightly attributed to Goethe, I can't think of any other way to proceed if you're going to break out of the inanity of life:
“Whatever you can do or dream you can, begin it. Boldness has genius, power and magic in it!” (My emphasis)
The other aspect that underpins the just do it mantra is to stay stupid. The more you inform yourself by dint of research, enquiry or speaking to others (especially family) the less likely you are to start down the road to greatness.
Next time you hear that voice start up ("...but what happens if...?), my advice is to sit with the thought, observe it, don't engage with it and then do what you have to do to go beyond exhortation to action.
For the record, the more times you start something, the easier it becomes, i.e. repetition isn't just the mother of all learning, it builds inner strength and courage.