1.   Friends have noticed a new spark of optimism in her voice, too.

2.   Harris, realizing that the effects of his speech had worn off, went searching for a new spark.

3.   He could use a few new sparks.

4.   The Tae-Bo fitness craze, with its rhythmic kicking and punching, added a new spark to aerobic exercise routines.

5.   We have a new spark in our attitude.

6.   Becker became a father in January and says family life has allowed him to find a new spark in his game.