Common integration is only the memory of differentiation… The different artifices by — Augustus de Morgan
Isaac Newton was born at Woolsthorpe, near Grantham, in Lincolnshire, on Christmas — Augustus de Morgan
The imaginary expression √(-a) and the negative expression -b, have this resemblance, — Augustus de Morgan
The Astronomer’s Drinking Song Astronomers! What can avail Those who calumniate us; — Augustus de Morgan
Considerable obstacles generally present themselves to the beginner, in studying the elements — Augustus de Morgan
Wrong hypotheses, rightly worked from, have produced more useful results than unguided — Augustus de Morgan