“Optimism,” said Cacambo, “what is that?” “Alas!” replied Candide, “it is the obstinacy of maintaining that everything is best when it is worst.”[Also known as:]Optimism is the madness of insisting that all is well when we are miserable.[Qu’estce qu’optimisme ? disait Cacambo. – Hélas ! dit Candide, c’est la rage de soutenir que tout est bien quand on est mal.]