While we all could agree that the Zionist ideal is alive and well, there is serious doubt whether the Zionist movement can be said to be an ongoing proposition, fragmented as its components are in ideology and in practice.

When you doubt, abstain.

Who never doubted, never half believed. Where doubt is, there truth is - it is her shadow.

Doubt begins only at the last frontiers of what is possible.

Doubt is the father of invention.

Doubt, indulged and cherished, is in danger of becoming denial; but if honest, and bent on thorough investigation, it may soon lead to full establishment of the truth.

Men become civilized, not in proportion to their willingness to believe, but in proportion to their readiness to doubt.

I feel safe in saying this, and that is that Peter Weir is without a doubt one of the greatest filmmakers of all time. I'd open a door in a movie for him if he asked me to.

The pursuit of pretty formulas and neat theorems can no doubt quickly degenerate into a silly vice, but so can the quest for austere generalities which are so very general indeed that they are incapable of application to any particular.

No fine work can be done without concentration and self-sacrifice and toil and doubt.

There's no doubt that becoming a mother was the greatest thing I'll ever do.

The major parties could conduct live human sacrifices on their podiums during prime time, and I doubt that anybody would notice.

Without a doubt, at the center of the New Testament there stands the Cross, which receives its interpretation from the Resurrection.

Doubt is the incentive to truth and inquiry leads the way.

In terms of the romantic kind of lead, I just never enjoy those movies very much. Maybe they'll come to interest me more as I get older. I doubt it, but maybe. Romantic comedies tend to be, for me, an oxymoron.