'Now the lads are torn every direction at once, like a prisoner being quartered. Or eighthed, or sixteenthed. I can already see it happening to young Ben out there, and soon it'll happen to my own boy. ‘Should I study mathematics? Euclidean or Cartesian? Newtonian or Leibnizian calculus? Or should I go the empirical route? Will it be dissecting animals then, or classifying weeds, or making strange matters in crucibles? Rolling balls down inclined planes? Sporting with electricity and magnets?' Against that, what's in my shack here to interest them?'