A fool with a tool still remains a fool.

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

You either make sense or you make money.

Technologically we now have four [seven!] billion billionaires on board Spaceship Earth who are entirely unaware of their good fortune.

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.

Tombs are the clothes of the dead and a grave is a plain suit; while an expensive monument is one with embroidery.

It is the integrity of each individual human that is in final examination. On personal integrity hangs humanity's fate.