Three causes especially have excited the discontent of mankind; and, by impelling us to seek remedies for the irremediable, have bewildered us in a maze of madness and error. These are death, toil, and the ignorance of the future.

Extraordinary Popular Delusions and the Madness of Crowds

There's a fount about to stream, There's a light about to beam, There's a warmth about to glow, There's a flower about to blow; There's a midnight blackness changing Into gray; Men of thought and men of action, Clear the way.

In reading The History of Nations, we find that, like individuals, they have their whims and their peculiarities, their seasons of excitement and recklessness, when they care not what they do. We find that whole communities suddenly fix their minds upon one object and go mad in its pursuit; that millions of people become simultaneously impressed with one delusion, and run after it, till their attention is caught by some new folly more captivating than the first.

There is no such thing as death. In nature nothing dies. From each sad remnant of decay, some forms of life arise so shall his life be taken away before he knoweth that he hath it.

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.

There is scarcely an occurrence in nature which, happening at a certain time, is not looked upon by some persons as a prognosticator either of good or evil. The latter are in the greatest number, so much more ingenious are we in tormenting ourselves than in discovering reasons for enjoyment in the things that surround us.