"During seasons of great pestilence, men have often believed the prophecies of crazed fanatics, that the end of the world was come."

“He who walks through a great city to find subjects for weeping, may, God knows, find plenty at every corner to wring his heart; but let such a man walk on his course, and enjoy his grief alone — we are not of those who would accompany him. The miseries of us poor earthdwellers gain no alleviation from the sympathy of those who merely hunt them out to be pathetic over them. The weeping philosopher too often impairs his eyesight by his woe, and becomes unable from his tears to see the remedies for the evils which he deplores. Thus it will often be found that the man of no tears is the truest philanthropist, as he is the best physician who wears a cheerful face, even in the worst of cases.”

“Men, it has been well said, think in herds; it will be seen that they go mad in herds, while they only recover their senses slowly, and one by one.”

“Every age has its peculiar folly: Some scheme, project, or fantasy into which it plunges, spurred on by the love of gain, the necessity of excitement, or the force of imitation.”

“Extraordinary Popular Delusions and the Madness of Crowds online”