Indeed, there is an eloquence in true enthusiasm that is not to be doubted.
There lives more faith in honest doubt, believe me, than in half the creeds.
Doubt is the vestibule through which all must pass before they can enter into the temple of wisdom.
If the Sun and Moon should ever doubt, they'd immediately go out.
If a man will begin with certainties, he shall end in doubts, but if he will content to begin with doubts, he shall end in certainties.
Doubt is not the opposite of faith; it is one element of faith.
I respect faith, but doubt is what gets you an education.
There Lives More Faith in Honest Doubt, Believe Me, Than Half the Creeds. - Alfred, Lord Tennyson
There is nothing more dreadful than the habit of doubt.
Doubt is a pain too lonely to know that faith is his twin brother.
If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.
Doubt is the beginning, not the end, of wisdom.
Our doubts are traitors and make us lose the good we oft might win by fearing to attempt.
Doubt whom you will, but never yourself.
Doubt is not a pleasant condition, but certainty is absurd.
The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.
Doubt comes in at the window when inquiry is denied at the door.
Doubt is part of all religion. All the religious thinkers were doubters.
Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has.
To me there is nothing complicated about ordinary equality.
Doubt is the incentive to truth and inquiry leads the way.
Doubt, of whatever kind, can be ended by action alone.
What is wanted is not the will to believe, but the will to find out, which is the exact opposite.
We know accurately only when we know little, with knowledge doubt increases.
A mind troubled by doubt cannot focus on the course of victory.
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