"And what are these fluxions? The velocities of evanescent increments. And what are these same evanescent increments? They are neither finite quantities, nor quantities infinitely small, nor yet nothing. May we not call them the ghosts of departed quantities...?"

Next Quote

Ambition without knowledge is like a boat on dry land -movie - Karate kid"What is the calculus of innovation?" "The calculus of innovation is really quite simple: knowledge drives innovation, innovation drives productivity, productivity drives our economic growth."

— William R. Brody