I have great hope for tomorrow. My hope lies in three things-truth, youth, and love.

Mistakes are great, the more I make the smarter I get.

Nature is all that we think we know plus all that we don't know whether or not we know that we don't know it.

We must progress to the stage of doing all the right things for all the right reasons instead of doing all the right things for all the wrong reasons.

Consisting mostly of recirculating scrapped metals, 80% of all the metals that have ever been mined are still at work.

Our brains deal exclusively with special-case experiences.

If I ran a school, I'd give the average grade to the ones who gave me all the right answers, for being good parrots. I'd give the top grades to those who made a lot of mistakes and told me about them, and then told me what they learned from them.