… mathematicians progress only by doubt, through humble and constant attempts to impinge on the immense domain of the unknown.


Leopold Infeld (1948). Whom the Gods Love: The Story of Évariste Galois. Whittlesey House. p. 9.


… mathematicians progress only by doubt, through humble and constant attempts to impinge on the immense domain of the unknown.

… mathematicians progress only by doubt, through humble and constant attempts to impinge on the immense domain of the unknown.

… mathematicians progress only by doubt, through humble and constant attempts to impinge on the immense domain of the unknown.

… mathematicians progress only by doubt, through humble and constant attempts to impinge on the immense domain of the unknown.