Time travel is complicated, or so we think, since we have not yet managed to actually figure out how to do it.

You can tell a good friends in bad times

The more power one gives to his thought--the more completely he believes that his thought has power--the more power will it have.

I would say that a good shoe is exactly like a good wine. These shoes are going to stay and last for a long time.

Persistence means giving full concentration to whatever you are doing right now. ... Persistence is success through trial, error, resetting your goals, and moving toward the target.

I won't try to be anybody else. I just try to be myself.

First let a man teach himself, and then he will be taught by others.

The conflict between the principle of liberty and the fact of slavery is coming gradually to an issue. Slavery has now the power, and falls into convulsions at the approach of freedom.

I still have a spiritual base and a spiritual foundation. And my conversation with God is very open-ended. I pray for humility, honestly, because it's very easy to be caught up in this world.

God loves you and has a wonderful plan for your life

Mainly, my job is to be on the outside and bring ideas into the company and forge change. Most people hate change—it’s threatening. I thrive on it.