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.

Great nations are simply the operating fronts of behind-the-scenes, vastly ambitious individuals who had become so effectively powerful because of their ability to remain invisible while operating behind the national scenery.

You have to decide whether you want to make money or make sense, because the two are mutually exclusive.

A fool with a tool still remains a fool.

You cannot change how someone thinks, but you can give them a tool to use which will lead them to think differently.

Never show unfinished work.

Universe is plural at minimum sixfold.