Quotes About Doubt

The improver of natural knowledge absolutely refuses to acknowledge authority, as such. For him, skepticism is the highest of duties; blind faith the one unpardonable sin.

Inquiry is fatal to certainty.

Every sentence I utter must be understood not as an affirmation, but as a question.

True science teaches us to doubt and, in ignorance, to refrain.

The doubter is a true man of science: he doubts only himself and his interpretations, but he believes in science.

Science proposes something and then does everything it can to disprove it. Religion is not like that. It proposes something and does everything it can to keep it from being disproved.

I don't believe in mathematics.

It is said to await certainty is to await eternity.

I have taken the stand that nobody can be always wrong, but it does seem to me that I have approximated so highly that I am nothing short of a negative genius.

Every science in a certain degree starts from faith, and, on the contrary, faith, which does not lead to science, is mistaken faith or superstition, but real, genuine faith it is not.

There's a good part of Computer Science that's like magic. Unfortunately there's a bad part of Computer Science that's like religion.

Doubt is clearly a value in science. It is important to doubt and that the doubt is not a fearful thing, but a thing of great value.

Religion is based on dogma and belief, whereas science is based on doubt and questioning.

None of us knows anything, not even whether we know or do not know, nor do we know whether not knowing and knowing exist, nor in general whether there is anything or not.

Those who have dissected or inspected many [bodies] have at least learnt to doubt; while others who are ignorant of anatomy and do not take the trouble to attend it are in no doubt at all.

I should consider that I know nothing about physics if I were able to explain only how things might be, and were unable to demonstrate that they could not be otherwise.

Let every student of nature take this as his rule, that whatever the mind seizes upon with particular satisfaction is to be held in suspicion.

And for mathematical science, he that doubts their certainty hath need of a dose of hellebore.

Religion is based, I think, primarily and mainly upon fear.

The dinosaurs invented Jesus to test our confidence in science.

Science is uncertain.

Truth is something that we can attempt to doubt, and then perhaps, after much exertion, discover that part of the doubt is not justified.

A theory is something nobody believes, except the person who made it. An experiment is something everybody believes, except the person who made it.

We have stopped believing in progress. What progress that is !