But Mao was deeply suspicious of educated people, and wanted them to demonstrate their mettle. Book learning was out, practical experience was in (‘only social practice can be the criterion of truth’, the Chairman opined). Already in 1927, when he had compared the peasants to a hurricane, he had hinted that everybody would be put to the test: ‘There are three alternatives. To march at their head and lead them? To trail behind them, gesticulating and criticising? Or to stand in their way and oppose them?’