“It is opinion that suppresses questions. Opinion has a curious tendency to propagate itself…to question means to lay open a place in the open. As against the fixity of opinions, questioning makes the object and its possibilities fluid. A person skilled in the ‘art’ of questioning is a person who can prevent questions from being suppressed by the dominant opinion…. Only a person who has questions can have [understanding].”
Excerpted from: Wiggins, Grant, and Jay McTighe. Understanding by Design. Alexandria, VA: ASCD, 1998.