Profound thoughts arise only in debate, with a possibility of counterargument, only when there is a possibility of expressing not only correct ideas, but also dubious ideas. - Andrei Sakharov
So remember those who win the gameLose the love they sought to gainIn debitures of quality and dubious integrityTheir small-town eyes will gape at youIn dull surprise when payment dueExceeds accounts received at seventeen - Janis Ian
I myself am convinced that the theory of evolution, especially to the extent to which it has been applied, will be one of the greatest jokes in the history books of the future. Posterity will marvel that so very flimsy and dubious an hypothesis could be accepted with the incredible credulity it has. - Malcolm Muggeridge
The question of the stranger in a society which estranges everybody from it--while forcing everybody to assimilate their own alienation--takes cover under dubious and sinister masks. - Norman Manea