Rene Descartes
Philosopher, Mathematician
"How can you be certain that your whole life is not a dream?"
Certain quotes
Certain
1.1K quotes on this topic — from poets, philosophers, and thinkers across history.
Richard P. Feynman
Physicist
"If you thought that science was certain - well, that is just an error on your part."
Milan Kundera
Writer
"There is a certain part of all of us that lives outside of time. Perhaps we become aware of our age only at exceptional moments and most of the time we are ageless."
Aldous Huxley
Novelist, Essayist
"All urbanization, pushed beyond a certain point, automatically becomes suburbanization.... Every great city is just a collection of suburbs. Its inhabitantsdo not live in their city; they merely inhabit it."
Johnny Depp
Actor, Producer
"There's a drive in me that won't allow me to do certain things that are easy."
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"Leave the beaten track behind occasionally and dive into the woods. Every time you do you will be certain to find something you have never seen before."
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"The most certain sign of wisdom is cheerfulness."
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"Everybody learns differently and everybody gets to a certain point from a different direction."
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"Before you speak, make certain you have something worthwhile to say."
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"Out of the multitude of our sense experiences we take, mentally and arbitrarily, certain repeatedly occurring complexes of sense impression (partly in conjunction with sense impressions which are interpreted as signs for sense experiences of others), and we attribute to them a meaning the meaning of the bodily object."
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"...it is certain that I am really distinct from my body, and can exist without it."
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"I missed a lot of good times, doing things that I shouldn't have been doing. There are certain mistakes I'd like to change, but I'm not going to trip on it to hard."
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"There is only one corner of the universe you can be certain of improving, and that is your own self. So you have to begin there, not outside, not on other people. That comes afterwards, when you have worked on your own corner."
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"The thing about getting older is that you don't need everything to be possible any more, you just need things to be certain."
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"Only when someone refuses to do certain things will he be capable of doing great things."
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"Pain is certain, suffering is optional."
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"I knew I would not live to see the victory which I would make possible. But I would not die before I would make that victory certain."
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"We live in the postmodern world, where everything is possible and almost nothing is certain."
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"Man can only be certain about the present moment. But is that quite true either? Can he really know the present? Is he in a position to make any judgment about it? Certainly not. For how can a person with no knowledge of the future understand the meaning of the present? If we do not know what future the present is leading us toward, how can we say whether this present is good or bad, whether it deserves our concurrence, or our suspicion, or our hatred?"
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"When you stop thinking about yourself all the time, a certain sense of repose overtakes you."
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"My mustache has become this weird iconic representation of a certain era."
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"You know how you let yourself think that everything will be all right if you can only get to a certain place or do a certain thing. But when you get there you find it's not that simple."
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"When I go into the studio - it [words] has to sound the way I heard it in my head. So that's probably one of the biggest things that separates me when I'm working in the studio - just how I hear certain things."
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"You can't always expect a certain result, but you can expect to do your best."
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"You have to pick what you're going to be worried about. Markets are volatile, but retirement is certain."
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