You should set goals beyond your reach so you always have something to live for.
The mind is just another muscle.
I just love it when people say I can't do it, there's nothing that makes me feel better because all my life, people have said that I wasn't going to make it.
Over a three year period, I gave away half of what I had. To be honest, my hands shook as I signed it away. I knew I was taking myself out of the race to be the richest man in the world.