I do not doubt but the majest and beauty of the world are latent
in any iota of the world;
I do not doubt there is far more in trivialities, insects,
vulgar persons, slaves, dwarfs, weeds, rejected refuse than
I have supposed.
There is no doubt that the actions of ISIS are designed to amplify their power and the threat that they pose. That helps them recruit. That adds in the twisted thoughts of some young person that they might want to have carry out an action that somehow they're part of a larger movement.
This was charming, no doubt; but they shortly found out That the Captain they trusted so well Had only one notion for crossing the ocean, And that was to tingle his bell.
In dealing with the arrogant asserter of doubt, it is not the right method to tell him to stop doubting. It is rather the right method to tell him to go on doubting, to doubt a little more, to doubt every day newer and wilder things in the universe, until at last, by some strange enlightenment, he may begin to doubt himself.