The chief trick to making good mistakes is not to hide them-especially not from yourself.
Daniel DennettThere is no polite way to suggest to someone that they have devoted their life to a folly.
Daniel DennettThose who feel guilty contemplating "betraying" the tradition they love by acknowledging their disapproval of elements within it should reflect on the fact that the very tradition to which they are so loyalโthe "eternal" tradition introduced to them in their youthโis in fact the evolved product of many adjustments firmly but delicately made by earlier lovers of the same tradition.
Daniel DennettIf I were to give a prize for the single best idea anybody ever had, I'd give it to Darwin for the idea of natural selection - ahead of Newton, ahead of Einstein - because his idea unites the two most disparate features of our universe: the world of purposeless, meaningless matter and motion, particles jostling on the one side, and the world of meaning and purpose, design on the other.
Daniel Dennett