preconceived idea

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Noun1.preconceived idea - an opinion formed beforehand without adequate evidence; "he did not even try to confirm his preconceptions"
opinion, persuasion, sentiment, thought, view - a personal belief or judgment that is not founded on proof or certainty; "my opinion differs from yours"; "I am not of your persuasion"; "what are your thoughts on Haiti?"
References in classic literature ?
But there is no species of self-hypnotism equal to that of a man who gazes persistently at a photograph with the preconceived idea that he is in love with the original of it.
It's dangerous, very dangerous, Monsieur Fred, to go from a preconceived idea to find the proofs to fit it.
One of these women so despised the other, and so longed to express her contempt for her (perhaps she had only come for that very purpose, as Rogojin said next day), that howsoever fantastical was the other woman, howsoever afflicted her spirit and disturbed her understanding, no preconceived idea of hers could possibly stand up against that deadly feminine contempt of her rival.
He had preconceived ideas about everything, and his idea about Americans was that they should be engineers or mechanics.
The water foamed as it fell in rapids and cataracts, which confirmed the doctor in his preconceived ideas on the subject.
As the force of impressions generally depends on preconceived ideas, I may add, that mine were taken from the vivid descriptions in the Personal Narrative of Humboldt, which far exceed in merit anything else which I have read.
Nor did it precisely comport with my preconceived ideas of the dignity of divine messengers," remarked Professor Porter, "when the--ah--gentleman tied two highly respectable and erudite scholars neck to neck and dragged them through the jungle as though they had been cows.
But it may be that a glimpse and no more is the proper way of seeing an individuality; and de Barral was that, in virtue of his very deficiencies for they made of him something quite unlike one's preconceived ideas.
A mind disposed to lunacy would readily be led away by such suggestions - especially if chiming in with favorite preconceived ideas - and then I called to mind the poor fellow's speech about the beetle's being "the index of his fortune.
Before I went out I was very hesitant, just because I had this preconceived idea that I wasn't going to like LA because it was hard and cut-throat and full of these silicone Barbie dolls.
People have got a preconceived idea of what I look like, what I perform and what my shows are all about.
In particular, the Puritans came with a preconceived idea about America drawn from that of ancient Israel: the idea of occupying the land of others and exchanging one people with another.