We come to think of an idealist as one who seeks to realize what is not in fact realizable. But, it is necessary to insist, to have ideals is not the same as to have impracticable ideals, however often it may be the case that our ideals are impracticable.
Susan StebbingThe opposite of thinking clearly is being muddled. To be conscious of being muddled is a horrible experience. To avoid it we may even be tempted to shut our minds and swallow a belief, ready-made, from some expert authority.
Susan Stebbing