Does Jeans Correlate With Performance?

In graduate school, most everyone's bright enough to do it. And i do think genetics important. You need a certain basic skill. It makes the difference is more motivation, personality, maturity. More and more i find, you know, em jutit's a marathon rather than a sprint,. And you need people who are going to be there day after day. They just keep plugging away at the stuff, and you work hard enough, and if you're lucky, things happen, you know.