So thick a mist, that the most perspicacious eye could see but a little way.
出自: S. Johnson"much too perspicacious to be taken in by such a spurious argument"
"observant and thoughtful, he was given to asking sagacious questions"
"a source of valuable insights and sapient advice to educators"
"too clear-eyed not to see what problems would follow"
"chaos could be prevented only by clear-sighted leadership"
"much too perspicacious to be taken in by so spurious an argument"