Doubt everything at least once, even the sentence "Two times two is four." — Georg C. Lichtenberg Copy Share Image
Listen to any self doubt for anything that needs to be addressed, address it, and keep rocking! — David Schlussel Copy Share Image
There was no way to know that certainty would one day become a luxury, too. — Therese Anne Fowler Copy Share Image
He believed in the primacy of doubt, not as a blemish upon our ability to know, but as the essence of knowing. — James Gleick Copy Share Image
Nothing is more certain than uncertainties: / Fortune is full of fresh variety; / Constant in nothing but inconstancy. — Richard Barnfield Copy Share Image
Never doubt yourself. Never change who you are. Don't care what people think and just go for it. — Britney Spears Copy Share Image
You doubt him, don't know a damn thing about him. What is Hip Hop without him? — Kid Cudi Copy Share Image
“You can’t tell what a tyrant is going to do,” she said. “Uncertainty is one of their weapons. I’ve lived under the… — Ken Follett Copy Share Image
There is no doubt about precisely when folks began racing each other in automobiles. It was the day they built the second… — Richard Petty Copy Share Image
The inspiration and authority of the Bible is the bedrock upon which our faith is built. Without it, we are doomed to… — Sam Storms Copy Share Image
There is no doubt but men of genius and leisure may carry our method to greater perfection, but, having had long experience,… — Francis Bacon Copy Share Image
Do I remain a revolutionary? Intellectually -- without a doubt. But am I prepared to give my body to the struggle or… — Lorraine Hansberry Copy Share Image
Could there be any doubt that the Jews would seek to harm the Son of God again, knowing that his body was… — Sam Harris Copy Share Image
I feel no doubt whatever that the parish laws of England have contributed to raise the price of provisions and to lower… — Thomas Malthus Copy Share Image
Ever since I became a Muslim, I've had to deal with attempts to damage my reputation and countless insinuations seeking to cast… — Cat Stevens Copy Share Image
There still aren't enough[ roles for women of color]. And I'd say that's the case, not only for African-American women, but for… — Jada Pinkett Smith Copy Share Image
“For example, I can doubt that 2 + 2 = 4; however, my doubting does not change the equation. When I test… — David W Earle Copy Share Image
I just thought I‘d never look good in what everybody else wore. So there’s no point trying. You just have to do… — Helena Bonham Carter Copy Share Image
Skepticism is the chastity of the intellect, and it is shameful to surrender it too soon or to the first comer; there… — George Santayana Copy Share Image
“With the idol of certainty (including that of degrees of imperfect certainty or probability) there falls one of the defences of obscurantism… — Karl Popper Copy Share Image
Let me tell you what is coming… Your fathers and husbands, your sons and brothers, will be herded at the point of… — Sam Houston Copy Share Image
Belief is a virus, and once it gets into you, its first order of business is to preserve itself, and the way… — Philip Caputo Copy Share Image
What I love about the thriller form is that it makes you write a story. You can't get lost in your own… — Harlan Coben Copy Share Image