You can't get it right, until you make it wrong.
It is in the contrast of light and dark that design happens.
You're afraid because you're thinking about the end, not about what you're doing.
A painting is a collection of a series of corrections.
If it's all wrong, it's all right.
See it in terms of paint. We don't learn subject matter, we learn paint. The musician can play any score that is set before him.