51.   But you never know with these players.

52.   Dazzling improvements in size, speed and versatility may lie ahead, with goodness knows what consequences for daily life.

53.   Economics is hardly an exact science in which right and wrong answers can be tested and determined in advance, and the consequences of policy changes known with accuracy.

54.   Even so, no one here can quite reconcile the place they know with the self-indulgent haven that they keep reading about.

55.   First, it invents things, inviting ignorant or naive readers to confuse what is known with what Carlile has made up.

56.   Getting hired often had more to do with whom you knew than what you knew, and schools employed more workers than necessary.

57.   Gallup polls notwithstanding, in all but the most extreme cases we simply cannot know with certainty how what we say will be perceived.

58.   Hamilton quizzed him about the date and where he was living, which he knew with perfect clarity.

59.   He added that there were no agreements he knew of with any country to ignore the crimes if the amnesty applicants here confessed.

60.   Gus does meet Clara, with whom we know he will be smitten.