Europe must dissipate any doubts over the euro, affirm that the euro is an irreversible project and act in consequence.
I put forward formless and unresolved notions, as do those who publish doubtful questions to debate in the schools, not to establish the truth but to seek it.
Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has.
No doubt one can, in light of further study and life experience, come to repudiate past convictions.
I have no doubt that for some to become a Christian may involve an experience of ecstasy. Yet I do not think such an experience is necessary for someone to be a Christian.
I doubt whether the world holds for any one a more soul-stirring surprise than the first adventure with ice-cream.
Even when you have doubts, take that step. Take chances. Mistakes are never a failure - they can be turned into wisdom.
I never doubted that equal rights was the right direction. Most reforms, most problems are complicated. But to me there is nothing complicated about ordinary equality.
People in so many countries look up to the United States as a model of democracy, but I doubt if that can continue. It leaves me with a great sense of loss.
But I'm also talented and I know when I created something great and Perfect Night is something great, no doubt, no but.
There is a lot of rubbish written about toilet humour - people saying it is childish and pretending it is beneath them - but there is no doubting the effectiveness of a really good willy gag.
If we are ever in doubt about what to do, it is a good rule to ask ourselves what we shall wish on the morrow that we had done.
Every really good book was written a little at a time, over time, in tremendous confusion and doubt.
That some Forms of Government are preferable to others, cannot be doubted; yet neither our Saviour, nor his Apostles have decided where that Preference is due.
Instead of showing strangers kindness and giving them the benefit of the doubt, we increasingly show them only fear, and that is bad for us and them.
If there are Muslims who believe that they've got to kill Christians to make a way for the Islamic faith in the West, not only would they be disappointed, but it will lead to conflict, there's no doubt about that.
Religious belief, like history itself, is a story that is always unfolding, always subject to inquiry and ripe for questioning. For without doubt there is no faith.
I want to state unequivocally for the world, as well as for the markets, as well as for the American people: I have no doubt that we will not lose the full faith and credit of the United States.
There are individuals who have never done anything for Jesus Christ, and I have no doubt there are preachers as well, who have never done anything for the God Almighty.
I wouldn't put it past God to arrange a virgin birth if He wanted, but I very much doubt if He would.
These poems, with all their crudities, doubts, and confusions, are written for the love of Man and in praise of God, and I'd be a damn' fool if they weren't.