There is always a point when one senses ones lack of skill, the doubt
At the end of the day, there is no doubt that the unique spirit embodied by this country has worked, not just to make the world safer, but to make it better.
Greece's position in Europe will not be put in doubt.
Doubts are like stains on a shirt. I like shirts with stains, because when I'm given a shirt that's too clean, one that's completely white, I immediately start having doubts.
People with lots of doubts sometimes find life more oppressive and exhausting than others, but they're more energetic - they aren't robots.
It's very useful when politicians have doubts because there are so many choices to be made in the world.
I don't have any doubts either about the Universal Declaration of Human Rights. Perhaps some more should be added to the list, but I don't have the slightest doubt about human rights.
It's the job of intellectuals and writers to cast doubt on perfection.
We cannot doubt that self-interest is the mainspring of human nature. It must be clearly understood that this word is used here to designate a universal, incontestable fact, resulting from the nature of man, and not an adverse judgment, as would be the word selfishness.
There is no doubt that America is a superpower of the world and we cannot ignore them.