Freedom of speech and freedom of action are meaningless without freedom to think. And there is no freedom of thought without doubt.
Kill your doubt with the coldest of weapons: Confidence.
I, with a deeper instinct, choose a man who compels my strength, who makes enormous demands on me, who does not doubt my courage or my toughness, who does not believe me naive or innocent, who has the courage to treat me like a woman.
Doubt is a pain too lonely to know that faith is his twin brother.
Doubt is the vestibule through which all must pass before they can enter into the temple of wisdom.
Never doubt your own intelligence and common sense.
People may doubt what you say but they will believe what you do.
I respect faith, but doubt is what gets you an education.
There is no doubt that it is around the family and the home that all the greatest virtues, the most dominating virtues of human society, are created, strengthened and maintained
There are two ways to slide easily through life: to believe everything or to doubt everything; both ways save us from thinking.
Never doubt that a small, group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.
I doubt that the imagination can be suppressed. If you truly eradicated it in a child, he would grow up to be an eggplant.
If you are ever in doubt as to whether to kiss a pretty girl, always give her the benefit of the doubt.
Unless I accept my faults I will most certainly doubt my virtues.
Laugh at yourself, but don't ever aim your doubt at yourself.
Knowledge is gained by learning;
trust by doubt;
skill by practice;
love by love.
As to the Adjective: when in doubt, strike it out.
A mind that questions everything, unless strong enough to bear the weight of its ignorance, risks questioning itself and being engulfed in doubt.
Advice should always be consumed between two thick slices of doubt.
The more doubt you have, the less likely it is that the creation will come to life.
Faith and doubt both are needed -- not as antagonists, but working side by side -- to take us around the unknown curve.
To deny, to believe, and to doubt absolutely -- this is for man what running is for a horse.
Doubt is part of all religion. All the religious thinkers were doubters.
Galileo called doubt the father of invention;
it is certainly the pioneer.
Jealousy lives upon doubts. It becomes madness or ceases entirely as soon as we pass from doubt to certainty.