But I begin to wonder if doubt is better than the wrong knowledge.

To doubt is better, because it helps understand, aids searching. Question is everything, answer is maturity.

Better to doubt methodically than to think capriciously.

You’re right to be skeptical—the world would be a better place if we were all a little less credulous.

You know, my faith is one that admits some doubt.

it were better to get simplicity, if certainty is not to be had,

I think we ought always to entertain our opinions with some measure of doubt. I shouldn't wish people dogmatically to believe any philosophy, not even mine.

Doubts are more cruel than the worst of truths.

But doubt is wily and cunning and never, as it is sometimes said to be, loud or defiant. It is unassuming and sly, not bold or assertive - and the more unassuming, the more dangerous.

... I prefer true but imperfect knowledge, even if it leaves much undetermined and unpredictable, to a pretense of exact knowledge that is likely to be false.

One should always be a little improbable.

I think maybe it is better to believe than not to believe. But I couldn't tell you why.

I always thought it better to allow myself to doubt before I decided, than to expose myself to the misery, after I had decided, of doubting whether I had decided rightly and justly.

Doubt indulged soon becomes doubt realized.