“We believe the ice sheet was not around all the time. It was only around during cool snaps of the climate.”

“America's got a Darwin problem - and it matters. According to a 2009 Gallup poll taken on the 200th anniversary of Charles Darwin's birth, fewer than 40% of Americans are willing to say that they '...”

“The scientific argument advanced for intelligent design at the Dover trial, those arguments collapsed, scientifically and intellectually.”

“The truth." Dumbledore sighed. "It is a beautiful and terrible thing, and should therefore be treated with great caution.”

“The truth is rarely pure and never simple.”

“Never tell the truth to people who are not worthy of it.”

“Semiotics is a general theory of all existing languages... all forms of communication - visual, tactile, and so on... There is general semiotics, which is a philosophical approach to this field, an...”

“There is no complete theory of anything.”

“My theory is that all of Scottish cuisine is based on a dare.”