389 | How can you be certain about aspects of the world if they aren't constant? [Plato] |
1673 | Knowledge proceeds from principles, so it is hard to know if we know [Aristotle] |
23175 | The conclusions of speculative reason about necessities are certain [Aquinas] |
22129 | Certainty comes from the self-evident, from induction, and from self-awareness [Duns Scotus, by Dumont] |
9090 | Knowledge is certain cognition of something that is true [William of Ockham] |
24019 | If we accept mere probabilities as true we undermine our existing knowledge [Descartes] |
9807 | In pursuing truth, anything less certain than mathematics is a waste of time [Descartes] |
1583 | In morals Descartes accepts the conventional, but rejects it in epistemology [Roochnik on Descartes] |
1585 | Descartes tried to model reason on maths instead of 'logos' [Roochnik on Descartes] |
1582 | Labelling slightly doubtful things as false is irrational [Roochnik on Descartes] |
2256 | Maybe there is only one certain fact, which is that nothing is certain [Descartes] |
3657 | Understanding, not the senses, gives certainty [Descartes] |
17193 | True ideas intrinsically involve the highest degree of certainty [Spinoza] |
21863 | You only know you are certain of something when you actually are certain of it [Spinoza] |
17199 | A man who assents without doubt to a falsehood is not certain, but lacks a cause to make him waver [Spinoza] |
15995 | The greatest certainty is knowing our own ideas, and that two ideas are different [Locke] |
12562 | General certainty is only found in ideas [Locke] |
15994 | If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke] |
13006 | Certainty is where practical doubt is insane, or at least blameworthy [Leibniz] |
21772 | In absolute knowing, the gap between object and oneself closes, producing certainty [Hegel] |
14858 | Being certain presumes that there are absolute truths, and means of arriving at them [Nietzsche] |
4487 | A note for asses: What convinces is not necessarily true - it is merely convincing [Nietzsche] |
22867 | The quest for certainty aims for peace, and avoidance of the stress of action [Dewey] |
21516 | We want certainty in order achieve secure results for action [Dewey] |
9636 | My theory aims at the certitude of mathematical methods [Hilbert] |
5936 | Knowledge is superior to opinion because it is certain [Ross] |
23073 | Convictions are failures to study anything thoroughly [Cioran] |
23078 | Opinions are fine, but having convictions means something has gone wrong [Cioran] |
5183 | Only tautologies can be certain; other propositions can only be probable [Ayer] |
2745 | A pupil who lacks confidence may clearly know something but not be certain of it [Dancy,J] |
3582 | Propositions make error possible, so basic experiential knowledge is impossible [Williams,M] |
2736 | We can make certain of what we know, so knowing does not entail certainty [Audi,R] |
6351 | Most people now agree that our reasoning proceeds defeasibly, rather than deductively [Pollock/Cruz] |
6374 | To believe maximum truths, believe everything; to have infallible beliefs, believe nothing [Pollock/Cruz] |