We sometimes think of being good at mathematics as an innate ability. You either have "it" or you don't. But to Schoenfeld, it's not so much ability as attitude. You master mathematics if you are willing to try.

When writing, you can't break physical rules. You can't have people come back from the dead. That's cheating. I am a kind of narrative fundamentalist in many ways.

We tell ourselves that skill is the precious resource and effort is the commodity. It's the other way around. Effort can trump ability-relentl ess effort is in fact something rarer than the ability to engage in some finely tuned act of motor coordination.

In order to get one of the greatest inventions of the modern age, in other words, we thought we needed the solitary genius. But if Alexander Graham Bell had fallen into the Grand River and drowned that day back in Brantford, the world would still have had the telephone, the only difference being that the telephone company would have been nicknamed Ma Gray, not Ma Bell.

We vary greatly in the natural advantages that we've been given. The world's not fair

When people reflexively write checks to institutions that have billions of dollars in the bank, they are essentially committing a moral crime. Your money could do good in this world and you're choosing instead to waste it. People have to do a better job of that. You've got to find places where your money's going to do some good and direct your dollars towards that institution.

An aggressive drug-testing program would cut down on certain abuses, but its never going to catch everyone - or even close to everyone.