There are two things which cannot be attacked in front: ignorance and narrow-mindedness. They can only be shaken by the simple development of the contrary qualities. They will not bear discussion. – Lord (John Emerich Edward Dalberg) Acton
People here argue about religion interminably, but it appears that they are competing at the same time to see who can be the least devout. – Charles de Secondat
Human subtlety will never devise an invention more beautiful, more simple or more direct than does nature because in her inventions nothing is lacking, and nothing is superfluous. – Leonardo da Vinci