1、"We can usually learn much more from people whose views we share than from people whose views contradict our own; disagreement can cause stress and inhibit learning."
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2、"Competition is ultimately more beneficial than detrimental to society."
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3、"It is more important to allocate money for immediate, existing social problems than to spend it on long-term research that might help future generations."
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4、"No field of study can advance significantly unless outsiders bring their knowledge and experience to that field of study."
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5、"A nation should require all its students to study the same national curriculum until they enter college rather than allow schools in different parts of the nation to determine which academic courses to offer."
