The power of reading a great book is that you start thinking like the author. For those magical moments while you are immersed in the forests of Arden, you are William Shakespeare; while you are shipwrecked on Treasure Island, you are Robert Louis Stevenson; while you are communing with nature at Walden, you are Henry David Thoreau. You start to think like they think, feel like they feel, and use imagination as they would. Their references become your own, and you carry these with you long after you've turned the last page.
Reading put perspective to any challenge I was facing and made me see that extraordinary people usually had extraordinary pain, difficulties or injustices. That's part of why they have the drive and hunger to do good in the world, to make something happen.
I remember reading about the astounding number of people in this country who die within three years of retiring, which proves to me that if you lose the sense that you are producing or contributing in some way, you literally lose the will to live, and that if you do have a reason to hang on, you will.
The best way to get trained is to get mentored - live or by reading or watching videos by masters. That way, you start executing based on lessons from the best.