“What a pessimist you are!" exclaimed Candide."That is because I know what life is," said Martin.”
“But for what purpose was the earth formed?" asked Candide. "To drive us mad," replied Martin.”
“You're a bitter man," said Candide.That's because I've lived," said Martin.”
“Optimism," said Cacambo, "What is that?" "Alas!" replied Candide, "It is the obstinacy of maintaining that everything is best when it is worst.”
“What's Optimism?' asked Cacambo. 'I'm afraid to say,' said Candide, 'that it's a mania for insisting that all is well when things are going badly.”
“Let us work without reasoning,' said Martin; 'it is the only way to make life endurable.”
“Do you believe,' said Candide, 'that men have always massacred each other as they do to-day, that they have always been liars, cheats, traitors, ingrates, brigands, idiots, thieves, scoundrels, gluttons, drunkards, misers, envious, ambitious, bloody-minded, calumniators, debauchees, fanatics, hypocrites, and fools?'Do you believe,' said Martin, 'that hawks have always eaten pigeons when they have found them?”