One day I’ll come through my American dream, but it won’t mean a fucking thing.

We could argue that if we are pricing a complex product that is highly model dependent then the exact definition of the independent variable will be relatively unimportant compared with the choice of model.

Naughty naughty, very naughty!

The world eventually sends out a mean-ass Patrol Boy to slow your progress and show you who’s boss. […] He’s a mean guy, a Bad Lieutenant, the sworn enemy of goofery, fuckery, pride, ambition, loud music, and all things nineteen.

In Krylov subspace algorithms, the solution is just a sideproduct; the residuals are what’s important.