11.   But for most runners, misery is at the very core of the marathon.

12.   But this week the earth really did shake, and us with it, down to our very core.

13.   Does finding that literature that resonates to our very core was written by a philanderer suggest there is a liar or a cheat crouching silently within us?

14.   It is at the very core of the American culture not to trust authority.

15.   It is the very core of conservative thinking to look for simple solutions first and add complexity only if there is no other way.

16.   It involves Government all right, but it goes way beyond Government to the very core of what matters most to us.

17.   Lewis continues to hope that war will be averted in Haiti, but the troubling questions and emotions the crisis has stirred in him reach to his very core.

18.   Last year the Detroit Red Wings won with five Russians at the very core, and the Stanley Cup was paraded in Red Square.

19.   Seeing America on its knees from across the Atlantic shook our very core.

20.   Such paradox is at the very core of this brave comedy.