"4 Kalki (talk · contributions) 20:14, 9 December 2010 (UTC) 3 Kalki 01:21, 26 December 2008 (UTC) — but would extend this to end with "The frank realisation that physical science is concerned with a world of shadows is one of the most significant of recent advances." with a very strong lean toward 4, but now would extend this even further than previously to read:"