Share on Facebook Share on Twitter Share via Email Print this Page [1-1] of 1Posts from Mark, Northfield, MinnesotaMark, Northfield, Minnesota 1Reply Mark, Northfield, Minnesota 12/14/07 re: Georg Christoph Lichtenberg quote It is essential for us to question our beliefs, convictions, and prejudices frequently. According to Thoreau: "No way of doing can be trusted without proof." SaveOk2 Share on Facebook Tweet Email Print