I had a huge advantage when I started 50 years ago - my job was secure. I didn't have to promote myself. These days there's far more pressure to make a mark so the temptation is to make adventure television or personality shows. I hope the more didactic approach won't be lost.
It's easy to have faith in yourself and have discipline when you're a winner when you're number one. What you got to have is faith and discipline when you're not a winner.