11.   Such values are respectively known as the poles and zeros of the function and they obviously determine its essential form.

12.   Although his works were written primarily for other scholars, Patai knew the value of a catchy title.

13.   Although no one knows their value with any certainty.

14.   And he knows the value of understatement and indirection.

15.   And finally, how could anybody not know the value of a world record bass just in terms of history?

16.   And so I know the value of money, and I know the experience of poverty.

17.   Anyone whose laptop has run out of juice in the middle of a task, with no power plug in sight, knows the value of this.

18.   Any parent who has driven long distances with children knows the value of these portable entertainment units.

19.   As a man of words, Soyinka has always known the value of radio to the democratic moment.

20.   As a publicity director at Alfred A. Knopf, Nicholas Latimer knows the value of a good angle.