A Quote by Jean Le Rond D'Alembert on faith, friendship, justice, and respect

Just go on . . . and faith will soon return. To a friend hesitant with respect to infinitesimals.

Jean Le Rond D'Alembert (1717 - 1783)

Source: P. J. Davis and R. Hersh The Mathematical Experience, Boston: Birkhäuser, 1981.

Contributed by: Zaady