Ronald Fisher

The tendency of modern scientific teaching is to neglect the great books, to lay far too much stress upon relatively unimportant modern work, and to present masses of detail of doubtful truth and questionable weight in such a way as to obscure principles.

English Mathematician

Clemantine Wamariya

My experiences have shown me that when an opportunity bigger than you comes along and you feel unprepared and doubtful, it is important to permit those emotions and let that energy drive you and inspire you to move forward.

American Author

Rihanna

That's all I could ever hope for, to have a positive effect on women. 'Cos women are powerful, powerful beings. But they're also the most doubtful beings. They'll never know - we'll never know - how powerful we are.

American Musician

Paracelsus

Life is like music, it must be composed by ear, feeling and instinct, not by rule. Nevertheless one had better know the rules, for they sometimes guide in doubtful cases, though not often.

Swiss Scientist

Beth Hart

My personality is a personality where I get really, really nervous and doubtful about almost everything, which is always a work in progress to build up my confidence a little bit more.

Herbert Croly

So far I, at least, have no fault to find with implications of Hamilton's Federalism, but unfortunately his policy was in certain other respects tainted with a more doubtful tendency.

Shamna Kasim

I was doubtful whether I can play overly glamorous characters, as I am not slim. But, I was amazed at the kind of fame that came my way in Tollywood.

Indian Actress

Earl Warren

In these days, it is doubtful that any child may reasonably be expected to succeed in life if he is denied the opportunity of an education.

American Judge

Laurence Housman

For the last half of my life I have had the doubtful benefit of a brother whose literary reputation is much greater than my own.

English Playwright

Sallust

All who consult on doubtful matters, should be void of hatred, friendship, anger, and pity.

Roman Historian

Use 'doubtful' to show you are hesitant about the certainty of something.

Indicate Hesitation

Convey your concern or worry about the success or outcome of an event.

Express Concern

Suggest that an event is unlikely to occur or a statement is unlikely to be true.

Low Probability

When questioning credibility or authenticity of something stated.

Question Truthfulness

Shows someone's lack of confidence or uncertainty in their own or others' abilities.

Uncertain Confidence

Reflects skepticism or disbelief through non-verbal cues.

Skeptical Body Language

Use 'doubtful' when you are unsure about the effectiveness or performance of something.

Question Performance

To question the reliability or dependability of a person or object.

Evaluate Reliability

 suppose it should be but young for that so that's where they were I don't I have no idea about today I haven't received an update about either of them today but I would imagine that should do news with the Cubs and still on earth users outside they saw her sort of waist inside of arethusa which means that she's not very close to our boundary and therefore doubtful that

Safari Live - Day 329 PIPE...

 I can tell you that the data on the number of children per woman is surprisingly good in all countries. We get that from the census data. It's not one of these statistics which is very doubtful. So what we can conclude is you don't have to get rich to have few children. It has happened across the world.

Religions and babies PIPE...

 to your tents to your stoves you know and the personnel to be out here I mean you're not going to sense to anybody out in this field this is a tough environment if you're any popular I don't know doubtful I think you hit off Robbi problem you can probably hear it we have to have

The Aftermath - Behind...

 One of them is that if you want to imbibe a culture, if you want to drink it in, if you want to become part of it, then whether or not the language channels the culture -- and that seems doubtful -- if you want to imbibe the culture, you have to control to some degree

4 reasons to learn a new...

 per woman is surprisingly good in all countries we get that from the census data it's not one of these statistics which is very doubtful so what we can conclude is you don't have to get rich to have few children it has happened across the world and when we look at at

Religions and babies -...

 developing countries is extremely doubtful we sort of think about aid like these people here giving aid to these people here but in the middle we have most a world population and they have now 24 percent of the income we heard it

The best stats you've...

 they take about 2% and this shows that the concept developing countries is extremely doubtful we sort of think about aid like these people here giving aid to these people here but in the middle we have most a world population

 And the poorest 20 percent, they take about two percent. And this shows that the concept of developing countries is extremely doubtful. We think about aid, like these people here giving aid to these people here.

Hans Rosling: Debunking...

 identity or purpose who knows it's doubtful though okay we're gonna have to do some shuffling I can make your way I'll move back a little bit okay I'm going to need to move so that there's

Safari Live - Day 272 PIPE...

 one is doubt, and the other is double. We can build lots of other words on each of these bases, like doubtful and doubtless, or doublet, and redouble, and doubloon.

Doubtful