11.   One thing old men often forget is that in youth they had zest for the battle.

12.   She had a zest for life that was totally inspirational.

13.   She had a zest for living.

14.   The man has that zest for life, that uncommon warmth that is all too rare in the world of entertainment.

15.   They may be odorless and colorless and their function may be mysterious, but human pheromones at last have the zest of scientific truth.

16.   We have a zest for life, milking its every hour, succoring every drop.

17.   You have to have the zest to do it.