1.   At some point, we bought the notion that many little wheels must grind themselves to dust so that one big wheel can turn smoothly.

2.   But wheels grind slowly.

3.   The wheels of justice ground slowly.

4.   Wheels grind against the tracks.

5.   When a brokerage firm fails, the wheels grind much more slowly.

6.   The economic wheel should not grind to a halt.