I always knew I was going to be rich. I don't think I ever doubted it for a minute.
I never doubted my ability, but when you hear all your life you're inferior, it makes you wonder if the other guys have something you've never seen before. If they do, I'm still looking for it.
There is nothing more dreadful than the habit of doubt.
To have doubted one's own first principles is the mark of a civilized man.
Doubt is the beginning, not the end, of wisdom.
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.
To me there is nothing complicated about ordinary equality.
Beliefs are what divide people. Doubt unites them.
Doubt thou the stars are fire; Doubt that the sun doth move; Doubt truth to be a liar; But never doubt I love.
I think it's much more interesting to live not knowing than to have answers which might be wrong.
Doubt … is an illness that comes from knowledge and leads to madness.
We know accurately only when we know little, with knowledge doubt increases.
Doubts are the ants in the pants of faith. They keep it awake and moving.
The capacity of the female mind for studies of the highest order cannot be doubted, having been sufficiently illustrated by its works of genius, of erudition, and of science.
In all affairs it's a healthy thing now and then to hang a question mark on the things you have long taken for granted.
Doubt is the incentive to truth and inquiry leads the way.
One who never turned his back but marched breast forward, never doubted clouds would break, Never dreamed, though right were worsted, wrong would triumph, Held we fall to rise, are baffled to fight better, sleep to wake.
Doubt, of whatever kind, can be ended by action alone.
The purposes of the United States should not be doubted. The Security Council resolutions will be enforced - the just demands of peace and security will be met - or action will be unavoidable. And a regime that has lost its legitimacy will also lose its power.
I never doubted that equal rights was the right direction. Most reforms, most problems are complicated. But to me there is nothing complicated about ordinary equality.
People in general are equally horrified at hearing the Christian religion doubted, and at seeing it practiced.
Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has.
Love and doubt have never been on speaking terms.
The right of a nation to kill a tyrant in case of necessity can no more be doubted than to hang a robber, or kill a flea.
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