The document discusses critical thinking and creative thinking. It defines critical thinking as involving asking questions, defining problems, examining evidence, analyzing biases, avoiding emotional reasoning, considering other interpretations, and tolerating ambiguity. Creative thinking means generating new ideas and processes. The two types of thinking are interrelated, with critical thinking helping to evaluate creative ideas in a rational way. The document provides tips for using critical thinking to spur more creative thinking, such as questioning experts and their qualifications, avoiding overgeneralizations, and considering unexpected outcomes as opportunities for new ideas.