Sweetness And Light Meaning

(idiomatic, often ironic) That which is good, pure, pleasant, etc.

Example: 2003, Arnd Krüger, William J. Murray, The Nazi Olympics: sport, politics and appeasement in the 1930s, University of Illinois Press, page 76:
  So it transpired, though not everything at Garmisch was sweetness and light. The leader of the British team, Arnold Lunn, the "father of alpine ski racing" and a British public school amateur to the core, was a conservative Catholic who disliked the "professionalism" of National Socialist sport.
2009, Jono Bacon, The Art of Community: Building the New Age of Participation, O'Reilly Media, Inc., page 72:
  Mailing lists are not all sweetness and light, though. Joining a mailing list is a little complex.