Learning without doing
It’s certainly possible.
But it’s unlikely you could learn to ride a bike by watching a lot of videos about it.
Or teach a toddler to walk.
In fact, it’s unlikely that you could learn to sell, to design useful objects or to solve interesting problems either.
You can try to learn without doing.
[Also, while we’re on the topic… Today’s the last day to sign up for the Podcasting Fellowship. Details are here.]