Labels:daily | fence | press | sky OCR: ir heads are full of incomplete th onsistent and uncertain orm ation. With little trepidation ini go about draw ing rather th ubtful conclusions from their dr igled mass of know ledge, for the tal st part unaw are of the m iuousness of their reasoning The tel tenuousness of the enterprise ve und up with the power it gives bo ople to deal with language and pe rld full of am biguity and W certainty Collins et al {1975 ngled