If we, who live outside asylums, act as if we lived in a fictitious world- that is to say, if we are consistent with our beliefs- we cannot adjust ourselves to actual conditions, and so fall into many avoidable semantic difficulties. But the so-called normal person practically never abides by his beliefs, and when his beliefs are building for him a fictitious world, he saves his neck by not abiding by them. A so-called "insane" person acts upon his beliefs, and so cannot adjust himself to a world which is quite different from his fancy.
Alfred KorzybskiMathematics and logic have been proved to be one; a fact from which it seems to follow that mathematics may successfully deal with non-quantitative problems in a much broader sense than was suspected to be possible.
Alfred KorzybskiThese 'philosophers', etc., seem unaware, to give a specific example, that by teaching and preaching 'identity', which is empirically non-existent in this actual world, they are neurologically training future generations in the pathological identifications found in the 'mentally' ill or maladjusted.
Alfred Korzybski