God calls all the passions out in their keenness and vigour, for the present safety of mankind.
Source, in full
Lecture XXVIL: On Habit - Part II, in “Elementary Sketches of Moral Philosophy”, delivered at The Royal Institution in the years 1804, 1805, and 1806 by the late Rev. Sydney Smith, M.A. (Spottiswoodes and Shaw (London: 1849)), p. 423-424