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"Mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true."
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"Life has no map; it's made of random events, always caused by something beyond your control."

"No matter how deep a study you make. What you really have to rely on is your own intuition and when it comes down to it, you really don't know what's going to happen until you do it."

"Not all questions can be answered."

"When they asked me what I wanted to be I said I didn't know."

"The Japanese campaign involves therefore two great uncertainties; first, whether Russia will come in though we think that will be all right; and second, when and how S-1 will resolve itself."

"I don't know what my future will bring me and it's terrifying. To stand before this vast expanse and know that the future could take away what matters most simply because that is the nature of indifferent chaos in the hands of wanton boys."

"I really don't know what's the best for you and for all out there."

"The scariest thing of all is never knowing what you're suddenly going to believe."

"Who can tell when troubles may come?"
Explore more quotes by Bertrand Russell

"A process which led from the amoeba to man appeared to the philosophers to be obviously a progress though whether the amoeba would agree with this opinion is not known."

"I believe in using words, not fists. I believe in my outrage knowing people are living in boxes on the street. I believe in honesty. I believe in a good time. I believe in good food. I believe in sex."

"When a man tells you he knows the exact truth about anything, you are safe in inferring he is an inexact man."

"Boredom is a vital problem for the moralist since at least half of the sins of mankind are caused by the fear of it."

"The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd."

"For the young, there is nothing unattainable; a good thing desired with the whole force of a passionate will, and yet impossible, is to them not credible. Yet, by death, by illness, by poverty, or by the voice of duty, we must learn, each one of us, that the world was not made for us, and that, however beautiful may be the things we crave, Fate may nevertheless forbid them. It is the part of courage, when misfortune comes, to bear without regretting the ruin of our hopes, to turn away our thoughts from vain regrets. This degree of submission to power is not only just and right: it is the very gate of wisdom."

"Philosophy, from the earliest times, has made greater claims, and achieved fewer results, than any other branch of learning."
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