1.
I cannot explain it; but when difficulties arise, I am not perplexed or doubtful. I know how to meet them.
Anne Sullivan Macy
2.
Everything is false, everything is possible, everything is doubtful.
Guy de Maupassant
5.
The human mind has to ask "Who, what, whence, whither, why am I?" And it is very doubtful if the human mind can answer any of these questions.
R. D. Laing
6.
Are we a Christian nation now? It's doubtful. But did we start out as one? Without question.
Pat Robertson
7.
It is doubtful what fortune to-morrow will bring.
[Lat., Posteraque in dubio est fortunam quam vehat aetas.]
Lucretius
9.
As a person I'm a little more doubtful, introspective and analytical.
Russell Brand
10.
A man was meant to be doubtful about himself, but undoubting about the truth; this has been exactly reversed.
Gilbert K. Chesterton
11.
They say of me, and so they should, It's doubtful if I come to good.
Dorothy Parker
12.
It is doubtful that anyone has contributed more in a lifetime to the overall coverage of cricket.
Jonathan Agnew
13.
When regard for truth has been broken down or even slightly weakened, all things will remain doubtful.
Saint Augustine
14.
It is doubtful we can be Christian in anything unless we are Christian in everything.
Aiden Wilson Tozer
16.
Strictly speaking, it is doubtful that a photograph can help us understand anything.
Susan Sontag
18.
He, who holds out but a doubtful hope of succour to the afflicted, denies it.
Seneca the Younger