Germany: Young people believe in many fake things, while old people doubt many real things. Mill: It is doubtful whether all the invented machines have alleviated the daily labor of human beings. Novalis: In order to understand the truth correctly, we must first doubt it and argue with it. Europe: hypocrites always doubt the honesty of others. America: The enemy we don't suspect is the most dangerous. England: People who know nothing will not doubt anything. Maurice Martin Dugard: Some people are so smart that you wonder if there is anything else that interests them. Unamuno: Real science first teaches people to doubt and to be puzzled. Anonymous: The evidence tells us where to focus our doubts. Bacon: Lack of knowledge is the most suspicious thing. Doubt is an element of criticism, and the tendency of criticism must be skeptical.-Disraeli