Science is the search for truth.
She believed in nothing; only her skepticism kept her from being an atheist.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
Advances are Made by Answering Questions. Discoveries are Made by Questioning Answers.
The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.
It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.
Skepticism is the chastity of the intellect...
In science it often happens that scientists say, "You know that's a really good argument; my position is mistaken..."
Reality is that which, when you stop believing in it, doesn't go away.
Education has failed in a very serious way to convey the most important lesson science can teach: skepticism.
The path of sound credence is through the thick forest of skepticism.
Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense.
The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd.
Skepticism: the mark and even the pose of the educated mind.
I distrust those people who know so well what God wants them to do, because I notice it always coincides with their own desires.
The fact that a believer is happier than a skeptic is no more to the point than the fact that a drunken man is happier than a sober one.
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
The skeptic does not mean him who doubts, but him who investigates or researches, as opposed to him who asserts and thinks that he has found.
A skeptic as to all ideas, including especially my own, I have never suffered a pang when the ideas of some other imbecile prevailed.
Question with boldness even the existence of a god.
Moral certainty is always a sign of cultural inferiority. The more uncivilized the man, the surer he is that he knows precisely what is right and what is wrong. All human progress, even in morals, has been the work of men who have doubted the current moral values, not of men who have whooped them up and tried to enforce them. The truly civilized man is always skeptical and tolerant.
The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd; indeed in view of the silliness of the majority of mankind, a widely spread belief is more likely to be foolish than sensible.
Do not let yourself be tainted with a barren skepticism.
Science is the great antidote to the poison of enthusiasm and superstition.
The soul is the perceiver and revealer of truth. We know truth when we see it, let skeptic and scoffer say what they choose. Foolish people ask you, when you have spoken what they do not wish to hear, 'How do you know it is truth, and not an error of your own?' We know truth when we see it, from opinion, as we know when we are awake that we are awake.
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