Give a two-minute talk on one of the following topics in groups. Many of our beliefs...are held simply as a result of the fact that we happen to have been brought up to them. (para. 3) Group 5 Most people, most of the time, are mere parrots. (para. 4) Group 4 We adopt and cling to some beliefs because... it "pays" us to do so. (para. 14) Group 3 We need especially to be on our guard when we come across propositions which seem to be "obviously" true. (para. 6) Group 2 Many groundless opinions are held through sentimental associations. (para. 18) Group 1