Persevere, and, don't let any self-doubt distract you.
Ten thousand difficulties do not make one doubt.
Faith means belief in something concerning which doubt is theoretically possible
Vanity as an impulse has without doubt been of far more benefit to civilization than modesty has ever been.
Buddhism is not a creed, it is a doubt.
It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt.
I’m no longer sceptical. I no longer have any doubt at all. I think climate change is the major challenge facing the world.
For there can be no doubt that God brings that creation into existence and then makes it return to Himself. God, indeed, is powerful over all things.
Fanaticism is overcompensation for doubt.
Victory [over homophobia] may require five or maybe 20 years. Yet I have no doubt that "don't ask, don't tell" and same-sex adoption bans will be as unspeakable and inexplicable to my grandchildren as counting a slave as three-fifths of a human being.
When in doubt, make a fool of yourself. There is a microspically thin line between being brilliantly creative and acting like the most gigantic idiot on earth. So what the hell, leap.
Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed it is the only thing that ever has.
Beauty is one of the rare things that do not lead to doubt of God.
The secret of making something work in your lives is first of all, the deep desire to make it work; then the faith and belief that it can work; then to hold that clear definite vision in your consciousness and see it working out step by step, without one thought of doubt or disbelief.
There are two ways to slide easily through life: to believe everything or to doubt everything; both ways save us from thinking.
When you doubt your power, you give power to your doubt
If you doubt you can accomplish something, then you can't accomplish it. You have to have confidence in your ability, and then be tough enough to follow through.
Youth is not a time of life, it is a state of mind. You are as old as your doubt, your fear, your despair. The way to keep young is to keep your faith young. Keep your self-confidence young. Keep your hope young.
Philosophy, when superficially studied, excites doubt; when thoroughly explored, it dispels it
Plant a radish, get a radish, never any doubt. That's why I love vegetables, you know what they're about!
Worry, doubt, fear and despair are the enemies which slowly bring us down to the ground and turn us to dust before we die
Beyond a doubt truth bears the same relation to falsehood as light to darkness.
Authority has every reason to fear the skeptic, for authority can rarely survive in the face of doubt.
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.