But the hallmark of science is that new information challenges old certainties and doctors must change their -LSB-...] (skepticalob.com)
In this peculiarly British system, moving towards coalition, still yearning for old certainties, the smaller parties are going to sink or swim by who they'll get into bed with. (theguardian.com)
It gets under our skin, hits us at a level deeper than our thoughts or even our passions, troubles oldest certainties till all questions are reopened, and in general shocks us more fully awake than we are for most of our lives? (religion-online.org)