Even if your heels fit perfectly, if you try running in them, they're probably going to slip off. Now that's with regular heels, so imagine that with slippery glass heels.
The best answer I could find is that he thought inspiration came from hard work and discipline. A quote that supports this point would be when he said: "To know what you're going to draw, you have to begin drawing." So, inspirations doesn't just happen by chance.
It's important because in a person's life, there will be things that are risky (hard).
There will be options in your life that you will need to make. There also things you may need to be aware of, so not every time you may be lucky.
