Agreed! Spark plugs! One on one personal relationships and true mentorship.

The other side of the coin is the type of person with the perseverance and drive to seek out the mentor. It's one thing to try and motivate and inspire someone, it's a completely different thing to have them ID YOU as a source of help, knowledge and motivation and make it easy for you to do so. A pleasure to help them...etc.

But those are very rare birds indeed.