Opinion (n.) is not explained by tracing it to someone who said it before; we want to know what the speaker means by it and what he hopes to achieve.
An Opinion (n.) is, in Jung's sense, an a priori assumption that lays claim to absolute truth.
Opinion (n.) that rises from a woman's unconscious claims to be absolute truth, and grows more fixed the less it is criticized — as though her father had thought it for her.
Opinion (n.) is what a field has broken into when its discussions turn heated: we can easily agree about a technique, hardly ever about opinions.
Opinion (n.) makes things pathogenic: wealth and poverty wound us chiefly through what we think of them, since riches never made anyone supremely happy and poverty is no reason for melancholia.
Opinion (n.) that wins a wide following always corresponds to some real disposition; to dismiss it as simply wrong is to do violence to one's own empirical material.
Opinion (n.) is, for Dorn, a doubtful anticipation of truth fixed in the mind, while experiment is its manifest demonstration.