“At no moment do I know what I’m talking about, nor of whom, nor of where, nor how, nor why, but I could employ fifty wretches for this sinister operation and still be short of the fifty-first, to close the circuit, that I know, without knowing what it means.”
The Unnamable (1954)
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Samuel Beckett 122
Irish novelist, playwright, and poet 1906–1989Related quotes

“Nor do I know what is become
Of him, more than the Pope of Rome.”
Canto III, line 263
Source: Hudibras, Part I (1663–1664)

“What did we else, but make a vow
To do we know not what, nor how?”
Hudibras, Part I (1663–1664)
Context: They'll say our bus'ness, to reform
The Church and State, is but a worm;
For to subscribe, unsight, unseen,
To an unknown Church-discipline,
What is it else, but before-hand
T'engage, and after understand?
For when we swore to carry on
The present Reformation,
According to the purest mode
Of Churches best reformed abroad,
What did we else, but make a vow
To do we know not what, nor how?

“You do not know, and will never know, who the Remnant are, nor what they are doing or will do.”
Source: Isaiah's Job (1936), IV
Context: In any given society the Remnant are always so largely an unknown quantity. You do not know, and will never know, more than two things about them. You can be sure of those — dead sure, as our phrase is — but you will never be able to make even a respectable guess at anything else. You do not know, and will never know, who the Remnant are, nor what they are doing or will do. Two things you do know, and no more: First, that they exist; second, that they will find you. Except for these two certainties, working for the Remnant means working in impenetrable darkness; and this, I should say, is just the condition calculated most effectively to pique the interest of any prophet who is properly gifted with the imagination, insight and intellectual curiosity necessary to a successful pursuit of his trade.
Source: The Sayings and Teachings of the Great Mystics of Islam (2004), p. 271

In A Man Without a Country (2005) p. 80–81 Vonnegut makes a very similar statement:
God Bless You, Dr. Kevorkian (1999)
Context: About belief or lack of belief in an afterlife: Some of you may know that I am neither Christian nor Jewish nor Buddhist, nor a conventionally religious person of any sort.
I am a humanist, which means, in part, that I have tried to behave decently without any expectation of rewards or punishments after I'm dead. My German-American ancestors, the earliest of whom settled in our Middle West about the time of our Civil War, called themselves "Freethinkers," which is the same sort of thing. My great grandfather Clemens Vonnegut wrote, for example, "If what Jesus said was good, what can it matter whether he was God or not?"
I myself have written, "If it weren't for the message of mercy and pity in Jesus' Sermon on the Mount, I wouldn't want to be a human being. I would just as soon be a rattlesnake."

Source: 1910s, Mysticism and Logic and Other Essays http://archive.org/stream/mysticism00russuoft/mysticism00russuoft_djvu.txt (1918), Ch. 5: Mathematics and the Metaphysicians