Who never doubted, never half believed. Where doubt is, there truth is - it is her shadow.
Ambrose Bierce
Men become civilized, not in proportion to their willingness to believe, but in proportion to their readiness to doubt.
Doubt is the father of invention.
Doubt begins only at the last frontiers of what is possible.
When you doubt, abstain.
No doubt, unity is something to be desired, to be striven for, but it cannot be willed by mere declarations.
Theodore Bikel
There is no doubt that the second President Bush inherited a very serious terrorist threat, though not such a threat as had been represented by the... →
Conrad Black
During my six years with them Dr Garnet Davey (subsequently Research Director) constantly supported me and, I have no doubt, fought many battles on... →
James W. Black
You have to not listen to the nay sayers because there will be many and often they'll be much more qualified than you and cause you to sort of... →
James Cameron
There is no doubt that religion had already waned under the onslaught of the Enlightenment, but it was Freud who provided the radically new... →
Tony Campolo