His audacity, optimism and enthusiasm were contagious. Philosophical pessimism stands opposed to the optimism or even utopianism of Hegelian philosophies. Eschatologies vary as to their degree of optimism or pessimism about the future. His thesis appears to be a third way between optimism and skepticism. He is characterized by his optimism and childlike attitude. The finance industry was in a state of increasing optimism that approached euphoria. He was praised by supporters for running a campaign of upbeat optimism. The mid-1980s were a time of strong economic optimism. Reagan's supporters praise him for running a campaign of upbeat optimism. The awesome threat of nuclear weapons inspired both optimism and fear. The Enlightenment further pushed towards anarchism with the optimism for social progress. The new century was characterised by a feeling of great optimism. He is unrelenting in attacking Leibnizian optimism. This doesn't make Gullu lose her optimism and humour. A natural experiment reveals the prevalence of one kind of unwarranted optimism.